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Finding a New Earth - Over 1500 New Planetary Systems have been Discovered

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  • Finding a New Earth - Over 1500 New Planetary Systems have been Discovered

    1:22:44

    Over 1500 new planetary systems have been discovered, many of which include planets quite different from those in our own Solar System. A key step towards finding “Earth 2.0” will be to identify rocky planets that occupy the “Habitable Zone” of their stars. Dr. Kane describes what the idea of a Habitable Zone means and shows examples of planets that lie in their star’s Habitable Zone (even if the star is not like our Sun.)

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  • TOP 15 BIGGEST Asteroid Impacts in History

    19:41

    The meteor that wiped out the dinosaurs, wasn't the only large scale impact in history. Today we'll take a look at some of the biggest asteroid impacts in Earth history!

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  • Finding a New Earth: Exoplanets and the Habitable Zone

    1:22:44

    May 11, 2016
    Dr. Stephen Kane (San Francisco State University)
    Over 1500 new planetary systems have been discovered, many of which include planets quite different from those in our own Solar System. A key step towards finding “Earth 2.0” will be to identify rocky planets that occupy the “Habitable Zone” of their stars. Dr. Kane describes what the idea of a Habitable Zone means and shows examples of planets that lie in their star’s Habitable Zone (even if the star is not like our Sun.)

  • Exoplanet Hunter: In search of new Earths and life in the Universe ★ Travelling Between Galaxies

    50:50

    On November 4, 2013, astronomers reported, based on Kepler space mission data, that there could be as many as 40 billion Earth-sized planets orbiting in the habitable zones of Sun-like stars and red dwarf stars within the Milky Way galaxy. The nearest such planet may be 12 light-years away.

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  • A JOURNEY BEYOND THE SOLAR SYSTEM

    1:7:22

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    0:46 Voyagers
    09:56 Saturn
    20:24 Uranus
    29:34 Neptune
    38:30 Beyond our system
    47:14 Sirius
    56:41 Unobservable expanses

    #SolarSystem #Space #Kosmo

  • Finding Earth 2.0

    1:3:52

    Finding another planet like Earth outside of our solar system is now a possibility like never before.

    More than at any other time in human history, we have to tools to begin finding Earth's twin. Today's hangout features a discussion with Dr. Jessie Christiansen, Staff Scientist at the NASA Exoplanet Archive. Jessie is an expert in exoplanetary systems and has focused her research on:

    Measurement and analysis of exoplanet atmosphere compositions; detection and characterisation of interesting exoplanet systems; derivation of planet occurrence rates from the NASA Kepler mission and the generation and analysis of planet and planet candidate catalogues.

    Jessie loves to talk to the public about astronomy and the search for life beyond our solar system and has been been featured in many media programs including NASA's Unexplained Files on the Discovery Science channel.

    Here is NASA's Exoplanet Archive:


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  • All the Planets from Inside in 3D

    10:39

    What's inside the Earth? The crust is a relatively thin layer that takes up only 1% of the Earth's volume. At the Earth's center, there's a core that consists of two parts: the outer and the inner core. The temperature at the boundary of our planet's inner and outer core is 10,800˚F - that's as hot as the surface of the Sun! But have you ever wondered what other planets are made of?

    Well, all 8 planets of our Solar System are unique and made of very different stuff! And what is inside a planet can impact what’s on the outside! So how about going on a space journey from the Sun to Neptune, the farthest planet of the Solar System? Let's check what's inside each celestial body on our way and learn some new facts about space!

    #brightside

    TIMESTAMPS:
    The Sun 0:18
    Mercury 1:30
    Venus 2:28
    Earth 3:27
    Mars 4:55
    Jupiter 6:02
    Saturn 7:31
    Uranus 8:29
    Neptune 9:20

    Music by Epidemic Sound

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  • Episode 9 - Finding the New Earth

    42:30

    Finding the New Earth

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  • The Milky Way Galaxy Planets | Space Documentary 2020 Full HD 1080p

    1:38:31

    The Milky Way Galaxy Planets | Space Documentary 2020 Full HD 1080p
    The Milky Way Galaxy Planets | Space Documentary 2020 Full HD 1080p
    The Milky Way Galaxy Planets | Space Documentary 2020 Full HD 1080p
    The Milky Way Galaxy Planets, Amazing HD Exploration - BBC Documentary

    This video gives an impression of how common planets are around the stars in the Milky Way. The planets, their orbits and their host stars are all vastly magnified compared to their real separations. A six-year search that surveyed millions of stars using the microlensing technique concluded that planets around stars are the rule rather than the exception. The average number of planets per star is greater than one. This means that there is likely to be a minimum of 1,500 planets within just 50 light-years of Earth.

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  • 8 STRANGEST Planets Weve Discovered So Far!

    10:22

    Check out the 8 STRANGEST Planets We've Discovered So Far! From the darkest planet in outer space to some odd planets like the diamond planet, this top 10 list of bizarre planets in the universe will amaze you!

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  • Does Planet 9 Exist in Our Solar System?

    1:24

    According to astronomers, there's a ninth planet in our solar system. Planet Nine is a hypothetical planet in the outer region of the Solar System. Its gravitational influence in our solar system tells us that it's there, but we don't know where it is right now.

    As per the data, planet nine would have an estimated mass of ten Earths, a diameter two to four times that of Earth, and an elongated orbit lasting approximately 15,000 years. Several efforts have been made so far to find this planet, but we've not find it yet.

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  • The Year of Pluto - New Horizons Documentary Brings Humanity Closer to the Edge of the Solar System

    58:34

    New Horizons is the first mission to the Kuiper Belt, a gigantic zone of icy bodies and mysterious small objects orbiting beyond Neptune. This region also is known as the “third” zone of our solar system, beyond the inner rocky planets and outer gas giants. Johns Hopkins University Applied Physics Laboratory (APL) in Maryland, designed, built and operates the New Horizons spacecraft, and manages the mission for NASA’s Science Mission Directorate in Washington. The Year of Pluto - NASA New Horizons is a one hour documentary which takes on the hard science and gives us answers to how the mission came about and why it matters. Interviews with Dr. James Green, John Spencer, Fran Bagenal, Mark Showalter and others share how New Horizons will answer many questions. New Horizons is part of the New Frontiers Program, managed by NASA’s Marshall Space Flight Center in Huntsville, Alabama.

  • The Search For Another Home | Planet Hunters | Spark

    41:32

    The first extra-solar planet – or exoplanet – was only discovered in 1995. Now, a new space-based telescope has discovered thousands more, and some of them may be just like Earth.
    Planet Hunters follows the astrophysicists at the forefront of the search for Earth’s twin, and tells the little-known story of the two Canadians who invented the technique that made modern planet-hunting possible. Gordon Walker and Bruce Campbell also detected the first exoplanet ever discovered, but that’s not what the history books say…

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    #kepler186f #Expoplanet #spark #sparkdocumentary #sciencedocumentary

  • NASA Discovers A Hidden Alien Planet .... Keplar 1649c | Same Size of Earth | ASTROMETRY |

    5:08

    NASA's planet-hunting Kepler spacecraft may be dead, but its discoveries keep rolling in.
    Scientists analyzing data gathered by Kepler, which NASA retired in November 2018, just found a hidden gem: an Earth-size world that may be capable of supporting life as we know it.
    The exoplanet, Kepler-1649c, circles a red dwarf star that lies 300 light-years from Earth, a new study reports. Kepler-1649c completes one orbit every 19.5 Earth days, putting the alien planet in its host star's habitable zone, the just-right range of distances where liquid water could exist on a world's surface
    This interesting, distant world gives us even greater hope that a second Earth lies among the stars, waiting to be found.
    The method used for hunting the exoplanet is known as transit method. In this method the spacecraft moniter stars for tiny brightness dips that is caused by planets crossing the faces of the stars. In simple words we can say that when a planet comes bettween the star and the space craft then it identifies the exoplanets.
    Kepler did this in two phases: on its main mission, which lasted until 2013, and during an extended mission called K2, which wrapped up 17 months ago when the spacecraft ran out of fuel.
    Both of these campaigns were very successful. Kepler spotted about two-thirds of the 4,100 confirmed exoplanets that astronomers have discovered till date. And the spacecraft's observations suggest that 20-25% of the 200 billion stars in the Milky Way galaxy host rocky worlds in their habitable zone. That's a lot of potentially life-supporting real estate.
    Kepler's huge dataset will keep astronomers occupied for years. Some of this work involves double checking, trying to dig up bona fide planets that previous vetting software had mislabeled as false positives. And there are many false positives in the Kepler data, because lots of things other than orbiting planets can cause stellar brightness dips.
    Indeed, a team of researchers formed the Kepler False Positive Working Group to do just such investigations. And they determined that Kepler-1649c had been wrongly thrown out as a false positive.
    Kepler-1649c is just 1.06 times the size of Earth and gets 75% of the stellar energy influx that our planet gets from the sun. This combination of characteristics makes the newfound world quite special indeed.

    There are other exoplanets estimated to be closer to Earth in size, such as TRAPPIST-1f and, by some calculations, Teegarden c. Others may be closer to Earth in temperature, such as TRAPPIST-1d and TOI 700d. But there is no other exoplanet that is considered to be closer to Earth in both of these values that also lies in the habitable zone of its system.
    Kepler-1649c has a neighboring planet, Kepler-1649b, which orbits the red dwarf at about half the distance and is thus probably too hot to support life as we know it.
    Astronomers know nothing about its atmosphere, the composition and thickness of a world's air that are strongly tied to its temperature and ability to maintain surface water in the liquid phase. In addition, red dwarfs unleash powerful flares frequently, especially in their youth, so planets in their habitable zones may get their atmospheres stripped relatively quickly.
    But red dwarfs are incredibly common, making up about 70% of the Milky Way's stellar population. So it's easy, and quite tempting, to imagine that conditions conducive to Earth-like life have cropped up on at least a few of their host worlds.
    The more data we get, the more signs we see pointing to the notion that potentially habitable and Earth-size exoplanets are common around these kinds of stars.
    So we hope that some day in future we find a planet that will be capable to suatain life on its surface.
    That’s all for this video. I hope to meet you in me next video so please subscribe my channel and press the bell icon to get weekly video update. Till than take care of u and your planet Earth.

  • What Did Voyager 2 See During its Journey Out Of The Solar System? 1977-2019

    9:06

    Part 2 - The Voyager two space probe was the second human-made object to reach interstellar space. But what did it see during its historic 42 year trip out of the solar the system?
    If you haven't watched part 1, which follows Voyager 1 on its journey then here is the link -

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  • Searching For Earth-Like Planets - Andrew Howard - 3/14/2018

    1:18

    Earnest C. Watson Lecture by Professor Andrew Howard, Searching For Earth-Like Planets.

    The search for extrasolar planets has uncovered a dizzying array of planetary systems. As part of that quest, researchers have found new planet types—lava worlds and super-Earths—as well as planets orbiting more than one star.

    Howard's research covers the formation and evolution of planets orbiting stars other than the sun, focusing on the diversity of small planets. He and his team discover and characterize these extrasolar planets using telescopes in Hawaii and California, and in space. Howard, who started at Caltech in 2016, received his bachelor's degree from MIT in 1998 and his PhD from Harvard University in 2006.

    Produced in association with Caltech Academic Media Technologies. ©2018 California Institute of Technology

  • Incredible Discoveries In Our Solar System - Video Compilation

    1:51:39

    Hello wonderful person and welcome! My name is Anton and due to the 2020 housing crisis that's going on in some parts of the world, I ended up losing my apartment because the rent became too unbearable. As a result while I'm looking for a new place (probably 3-4 weeks or so), I made some pre-recorded long videos and a few other videos that will be posted daily.
    Hope you enjoy them and see you soon.
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  • Planets, Stars, Galaxies Ranged by Size

    11:14

    How big are the planets? What's the size of our galaxy? How big is our Sun compared to other stars? Space is vast. Yep, so much so that even compared to the Sun our planet is no larger than a pin. The Sun over 863,000 miles in diameter, and to get from one pole of it to the other by airplane you’ll need more than two months — and some serious heat protection.

    Okay, as you may have guessed, we're going to try to understand how big different space objects are. By the way, the smallest outer space object that people have detected is a micro-asteroid called 2011 CQ1 — it’s just 3 feet across. As for the largest space object in the observable Universe, it's a galactic supercluster complex that is simply unfathomable. Can you imagine 10 billion light-years? Neither can I.

    #spacefacts #comparison #brightside

    Other videos you might like:
    Why There Is Light on Earth But Not in Space
    10 Wonderful Facts About Earth You've Never Heard Before
    NASA Has Just Discovered a New Planet!

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  • What Lies Beyond the Edge of Our Solar System?

    7:45

    The Voyager space probes have gone further into the unknown than any other spacecraft. With both probes officially in interstellar space, what have we learned?
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    In 1965, a PhD student figured out that every 176 years the four planets in our solar system align in such a unique way that it is possible to use their gravitational forces to slingshot from one planet to the next.

    This insight, that came to fruition using just a slide rule and simple computer programs, became part of an ambitious mission to send two probes and golden records out into space for a grand tour.

    Enter: The Voyagers.

    The Voyager probes are two obscure looking robots, weighing roughly 800 kilograms with giant arms and big ears, it took 1,500 engineers and scientists to bring these robotic explorers to life.

    The Voyagers took some of the first detailed snapshots of planets and moons—revealing Io’s volcanism, close-up details of Saturn’s icy rings, and Neptune’s great dark spot.

    And after traveling for more than 43 years, clocking in 18 billion kilometers traveled, the Voyagers are taking humanity into the next great beyond: interstellar space.

    With the opportunity to visit Uranus and Neptune, the NASA engineers developed a mission within a mission, outfitting the probes with 11 different instruments, redundant systems, and autonomous controls.

    Find out more about the Voyager mission, what we’ve learned so far, and the experts behind it all on this episode of Focal Point.

    #NASA #Space #Interstellar #Voyagers #Galaxy #Seeker #FocalPoint #Science
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    Voyager Mission Reveals Unexpected Pressure at The Edge of The Solar System

    “NASA astronomers have used data from the Voyager probes to measure the bustle of particles rippling at the very edge of our Solar System, and discovered the pressure in the distant borderlands of our star is higher than they expected.”

    NASA's Voyager 2 Probe Enters Interstellar Space

    “For the second time in history, a human-made object has reached the space between the stars. NASA's Voyager 2 probe now has exited the heliosphere - the protective bubble of particles and magnetic fields created by the Sun.”

    How NASA Will Prolong the Lives of the Voyager Probes, 11 Billion Miles From Earth

    “Launched 42 years ago, the Voyager 1 and Voyager 2 space probes are now exploring the outer realms of our solar system. Sadly, the end of the mission is now firmly in sight, but NASA has a plan to keep the probes operational for as long as possible before their power finally runs out.”
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  • Earth Science: Lecture 33 - The Jovian Planets and Small Solar System Bodies

    36:54

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  • Planet Earth - Our Home Planet

    35:10

    NASA explores. From the far reaches of the cosmos, to right here at home, NASA scientists are uncovering new insights that provide economic and societal benefits to the U.S. and the world.

    Since NASA was created nearly six decades ago, we have essentially discovered how Earth works as a system. It continues to be a fascinating exercise in fundamental science. And we are still discovering.

    But we aren't just exploring our home planet because it's an adventure. NASA is converting the spaced-based view of Earth into a pixel-level, planetary intelligence system for navigating and improving lives in the 21st century. We live on a planet with 7 billion people -- and counting -- who are more connected than ever.

    Credit: NASA's Goddard Space Flight Center/Matt Radcliff

    Keynote speakers include:
    • Thomas Zurbuchen, Associate Administrator for the Science Mission Directorate, NASA
    • Marshall Shepherd, Georgia Athletic Association Distinguished Professor; Director of the Atmospheric Sciences Program, University of Georgia; Host of the Weather Channel's Weather Geeks
    • Christa Peters-Lidard, Deputy Director for Hydrosphere, Biosphere, and Geophysics, Earth Sciences Division, NASA's Goddard Space Flight Center.

  • Search for Second Earth Part 2 ..2018 documentary

    53:31

    This four-part documentary series brings to life, in breathtaking CGI, an epic future journey that our species has already begun: the voyage of an autonomous spacecraft to a planet beyond our Solar System.

    Astronomers have long peered out across the stars in hopes of learning more about where and how life could exist outside of Earth. They've discovered more than 4,000 exoplanets since the late 1990s, but these are just a few that could have the best chance of harboring life.

    In order to find life elsewhere in the cosmos, we must first find water. These incredible worlds fall within the habitable zone, meaning they're not too close to their star that surface water evaporates, and they're not too far that it might freeze. Some exoplanets are thought to be rocky bodies, while others may be full ocean worlds.

    These exoplanets orbit a range of star types, from M-type stars, known as red dwarfs, to sun-like G-type stars such as Tau Ceti. In the coming years, scientists will continue to learn more and more about these strange exoplanets

    Kepler-186 f was the first Earth-sized exoplanet found in the habitable zone. It has an orbit of 130 Earth days and is less than 10 percent larger than Earth.

    It seems like it would be a great candidate to house liquid water, and, in turn, life. But there's a catch: It's a whopping 490 light-years away from Earth, in the constellation Cygnus.

    Discovered in 2016, K2-72 e, which orbits the K2-72 star in the Aquarius constellation, is a rocky, M-Warm Terran exoplanet just 217 light-years away from Earth.

    Discovered in 2019, Teagarden Star b is a type of rocky exoplanet called a super Earth. It has an orbital period of 4.9 Earth days and mass 1.05 times that of Earth. This star system is only 12.5 light-years away from Earth.

    Discovered alongside Teagarden's Star b in 2019, Teagarden's Star c is also a potentially rocky super Earth. It has an orbital period of 11.4 Earth days and mass 1.11 times that of Earth. This star system is only 12.5 light-years away from Earth.

    5
    Proxima Centauri b
    Proxima Centauri b orbits Earth's closest stellar neighbor, Proxima Centauri, just 4.22 light-years away. It has a mass of 1.27 Earths and orbits its star every 11.2 days. Scientists announced the exoplanet in 2016.

    6
    TRAPPIST-1 d
    While scientists discovered the TRAPPIST-1 in 1999, three of its surrounding exoplanets followed in 2016. The star system is 40 light-years from Earth.
    Some data have suggested that TRAPPIST-1 d may have a ring of water around the exoplanet's terminator, or the line that demarcates the warm day side and chilly night side of the planet.

    7
    TRAPPIST-1 f
    TRAPPIST-1 f has an orbital period of 9.4 Earth days and a mass .68 times that of Earth's.

    8
    TRAPPIST-1E
    TRAPPIST-1 e is the fourth of TRAPPIST-1's exoplanets and the second within the habitable zone. A paper published in 2018 suggests that TRAPPIST-1e may have an iron core like Earth's and therefore may have a protective magnetosphere.

    9
    TRAPPIST-1 g
    The largest of the TRAPPIST-1 exoplanets and the sixth from the star, TRAPPIST-1 g is thought to have an atmosphere that isn't rich in hydrogen, which signals that it evolved over the course of millions of years. This also means that, like its exoplanet neighbors, TRAPPIST-1 g is probably a rocky body.

    10
    GJ 1061 c
    GJ 1061 c is one of three exoplanets orbiting the red dwarf Gliese 1061, which lies roughly 12 light-years away from Earth and is the 20th nearest star. It has an orbital period of about 6.7 Earth days.

    11
    GJ 1061 d
    Gliese 1061, the star that GJ 1061 orbits, can be found in the Horologium constellation. The exoplanet circles its star once every 12.4 Earth days.

  • NASAs plan to save Earth from a giant asteroid

    6:29

    Don’t panic.

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    65 million years ago, a large asteroid collided with Earth near present-day Chicxulub, Mexico. The impact was a climactic event that likely contributed to dinosaur extinction. Today, Earth remains vulnerable to asteroid collisions. In recent history, space rocks have landed in The United States, Russia, and elsewhere. In the event of a potential asteroid collision, NASA has developed several options for dealing with the threat. Researchers at NASA’s Center for Near Earth Object Studies and Jet Propulsion Laboratory have proposed using blunt force, weaponized deflection or a theoretical tool called a gravity tractor to deflect impact. In addition to developing contingency plans, NASA scientists are also searching the sky for future asteroid threats.

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  • Cosmic Journeys - Life: Destiny or Chance?

    25:16

    Are the universe and its physical laws so fine-tuned that the rise of life is inevitable? Or is life a fluke, a lucky roll of cosmic dice? We look for the answer in the rise of two important components of life, dust and water. It turns out that the universe is laden with water, a byproduct of dust kicked out and spread around by supernovas and black holes.

  • Grand Solar Minimum is coming. And..?

    16:27

    Our sun is reaching the end of it's normal 11 year cycle and is now approaching a period of minimum solar activity. This one's being dubbed the Grand Solar Minimum. Some say it's the real cause of climate change and that it's going to wreak havoc with our weather systems for years to come, possibly even tipping us into a mini ice age. This week we have a look at the science of Solar Cycles.

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  • Could Global Warming Start A New Ice Age?

    12:59

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    Licensed under Creative Commons: By Attribution 3.0 License

  • PSW 2379 Exoplanets and the Search for Life | Mark Clampin

    2:11:18

    PSW 2379 Lecture 16:46
    Abstract

    Friday, May 12, 2017
    An Exploration in Four Lectures

    Introduction

    Mark Clampin
    Deputy Director, Sciences & Exploration Directorate
    NASA Goddard Space Flight Center

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  • Could planets from Star Wars really exist?

    18:51

    Learn more about planetary science through Brilliant:

    Scientists with PhDs in atmospheric physics and astrophysics examine which planets in the Star Wars universe could really exist!

    Massive thanks to Dr Hannah Wakeford for helping me with this video! She has her own website here: Also thanks to Dr Tom Dowling and Dr David Arnold for their geology expertise.

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    Footage from:
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  • Exoplanets: An Introduction to Our Neighbors and the Search for Another Earth

    54:25

    A lecture with Eric McLaughlin, City of Rancho Mirage Library & Observatory Astronomer.


    Filmed 04-17- 2018

  • Planet Fest | October 21, 2020

    1:1:13

    Join us on Oct 21st, 2020, at 8:45pm CDT for a live tour of our solar system. Your hosts Stephen Hummel and Martinique Pautzke will show you exceptionally high magnification views of several planets (and one dwarf planet) in our solar system, and explain the significance of their orbits and positions. The targets, weather permitting, will be:

    1. Jupiter
    2. Saturn
    3. Pluto
    4. Neptune
    5. Mars

    Moderators will be in the live chat to answer questions, and some questions will be forwarded to Stephen and Martinique near the end of the program.

    Can't make the livestream? The event will be recorded and remain on our channel.

    McDonald Observatory is an astronomical research facility located in far west Texas, and is part of the University of Texas at Austin.


    Interested in supporting us?

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  • Top 10 STRANGEST Planets In Space!

    11:34

    The strangest planets ever discovered! These mysterious planets are some of the most bizarre found in the universe


    #10. “Life in Infrared”-The Gliese 581 Planetary System is located in the constellation Libra and is about 20 light years away from Earth. The system revolves around a tiny red dwarf star and holds many planets that scientists consider having the possibility of supporting life. One of these planets is Gliese 581 C, the third planet from the star which has an orbit that only takes 13 days. This planet is classified as a super-Earth planet because it is just over 5 times the size of Earth. When it was first discovered it was considered to be a strong candidate for supporting life but many scientists claim that because it is so close to its star that life is unlikely. The planet is strange because it is tidally locked in its orbit, so the same side is always facing the star. Because of this, the temperatures on the nearside are believed to be in excess of 500 degrees celsius, with the far side being beyond freezing cold. If there were to be life on the planet it would have to adapt to being barraged by an insane amount of infrared light. Because of this, any life on the planet would probably be very dark in color, with scientists speculating that if plants could survive they would probably be black.




    #9. “Long-Distance Relationship”- HD 106906 is a star system located about 300 light years from Earth within the constellation known as Crux or The Southern Cross. The system that is centered around a 13 million year old pre-main-sequence star that is about one and a half times larger than our Sun. There is only one known planet orbiting the star and that is HD106906 b. This planet is a gas giant that is over 11 times bigger than Jupiter. The planet has the unique designation of being one of the loneliest planets known to man, as it orbits at a farther distance from its star than any other planet identified. Its orbits its star from an estimated distance of 60 billion miles away, which is over twenty-one and a half times further than Neptune is from our sun. Because the planet is still fairly young in galactic age, it still emits extreme amounts of heat leftover from its formation. So while you’d think a planet this far away from its host star would be quite cold, its temperature is estimated to be around 1,500 degrees Celsius.

  • Planetary Defense: Avoiding a Cosmic Catastrophe

    49:48

    (01:21 - Start of Presentation)
    Our planet has been continually bombarded by asteroids since its formation, 4.5 billion years ago. While the frequency of large impacts has decreased, many potential Near-Earth Object threats remain undiscovered, so if or when they will impact Earth remains unknown. Fortunately, if an Earth-threatening asteroid is discovered in time, there are ways to mitigate or even prevent a disaster. Scientists at LLNL provide computer simulations in preparation these scenarios so if the time comes where an asteroid is headed our way, we will be prepared. [Show ID: 35698]

    More from: Lawrence Livermore National Lab Science on Saturday
    (

    UCTV is the broadcast and online media platform of the University of California, featuring programming from its ten campuses, three national labs and affiliated research institutions. UCTV explores a broad spectrum of subjects for a general audience, including science, health and medicine, public affairs, humanities, arts and music, business, education, and agriculture. Launched in January 2000, UCTV embraces the core missions of the University of California -- teaching, research, and public service – by providing quality, in-depth television far beyond the campus borders to inquisitive viewers around the world.
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  • Extrasolar Planet: The Discoveries of Kepler Mission by Natalie Batalha

    35:04

    ABSTRACT
    Humankind's speculation about the existence of other worlds like our own turned into a veritable quest with the launch of NASA's Kepler spacecraft in March 2009. The mission is designed to survey a slice of the Milky Way to identify planets orbiting other stars by looking for the telltale dimming of light that occurs when an orbiting planet passes in front of the star. Kepler has discovered over 2,300 viable planet candidates ranging from one-half the size of Earth to twice the size of Jupiter. From scorched, rocky planets to temperate giants, we'll hear about Kepler's milestone discoveries and the techniques scientists are using to make them. Kepler is honing in on the answer to the question that drives the mission: Are potentially habitable worlds abundant in our galaxy?

    BIOGRAPHY
    Dr. Natalie Batalha is a professor of physics and astronomy at San José State University in the heart of Silicon Valley, California and the Science Team Lead of NASA's Kepler Mission. She holds a bachelor's in physics from the University of California (UC), Berkeley, and a doctorate in astrophysics from UC Santa Cruz. Dr. Batalha started her career as a stellar spectroscopist studying young, sun-like stars. After a post-doctoral fellowship in Rio de Janeiro, Brazil, Dr. Batalha returned to California. Inspired by the growing number of exoplanet discoveries, she joined the team led by William Borucki at NASA's Ames Research Center working on transit photometry—an emerging technology for finding exoplanets. Eleven years later, she stands poised with the Kepler team to make discoveries that humans, up to now, have left to the imagination and the realms of science fiction.

    LECTURE
    7:00 pm
    Keck Hall
    Rm. 100 (Chemistry Lecture Hall)

  • Astronomers Have Their Best Solution Yet To The Mysterious Alien Megastructure Star

    5:56

    In 2015, astronomers had been trying to find the cause of Tabby's Star's mysterious behavior. The star kept dimming in an oddly sporadic pattern, and overall got 10% less bright in just a century. Some scientists have suggested an alien megastructure or a massive swarm of comets may be to blame. In 2019, a team of astrophysicists at Columbia University proposed a different culprit. The star has stolen icy moons from an orbiting planet. Over time, radiation dissolved these moons, creating a dusty cloud that blocks some of the starlight.

    MORE ALIEN MEGASTRUCTURE CONTENT:
    Scientists Think They've Finally Solved The Mystery Of The 'Alien Megastructure' Star

    The ‘alien megastructure’ star is acting weird again

    Second, new 'alien megastructure' discovered


    ------------------------------------------------------

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    Astronomers Have Their Best Solution Yet To The Mysterious 'Alien Megastructure' Star

  • Rotation in Space - Professor Carolin Crawford

    51:19

    Rotation is a fundamental physical process throughout the Universe. So much is spinning, from planets and stars revolving on their axes, to whole spiral galaxies rotating around their centre. We shall start by looking at the fundamentals of rotational motion, including the concept of angular momentum. This then will be extended to show what observations of rotation can tell us about how planetary systems form and develop, how neutron stars evolve with time, and how rotational motion provides crucial evidence for the presence and distribution of the elusive dark matter.

    The transcript and downloadable versions of the lecture are available from the Gresham College website:


    Gresham College has been giving free public lectures since 1597. This tradition continues today with all of our five or so public lectures a week being made available for free download from our website.

  • The Red Planet - Professor Carolin Crawford

    59:06

    Many robotic spacecraft have been sent to explore the cold, dry and dusty surface of Mars. They reveal a world not so dissimilar to Earth, shaped by meteor impacts, volcanic activity, weather and flash flooding. In addition, recent discoveries inform us about the possibilities for life on Mars -- both in the past and the present.

    The transcript and downloadable versions of the lecture are available from the Gresham College website:


    Gresham College has been giving free public lectures since 1597. This tradition continues today with all of our five or so public lectures a week being made available for free download from our website. There are currently over 1,500 lectures free to access or download from the website.
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  • Ultimate Science: Space Tourism and A New Earth | space and astronomy

    1:37:24

    Space Vacation takes us on an amazing journey; to reveal the cutting edge science that might make vacations in space, and travel to distant planets and solar systems, possible for us all in the future.

    Teams of astronomers around the world are racing to find for the first time ever the exact location of the ultimate prize in space exploration--a living world, just like our own planet Earth.

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  • Start Here Star Citizen 3.9 Tutorial | New Player Guide

    31:43

    Start Here Star Citizen 3.9 - This is a New Player Guide as well as a quick Tutorial for returning players - NEW STAR CITIZEN 3.10 TUTORIAL -
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    TIMESTAMPS

    00:00 - Start Here Star Citizen
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    00:35 - Making An Account
    01:45 - Starting The Game
    02:16 - Learning The Basics
    03:46 - Spawning Your Ship
    04:54 - Basic Ship Controls
    07:43 - Missions & StarMap
    11:08 - Basic Ship Combat
    13:43 - FPS Combat
    15:13 - Dying & Respawning
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    Star Citizen is an Open Development Alpha Project by Cloud Imperium. It is 2 Games really though, the Persistent Universe that aims to build a First Person MMO Space Sim that encompasses gameplay in ship & on ground, economy and pretty much anything else you can think of. It's built in the StarEngine (a modified Lumberyard Engine). You'll see massive Space Ships that you can fly with friends, land on planets, explore or whatever your way to whatever goal you choose. It's available to try in it's current Alpha State now, you can give feedback & influence the direction of the game BUT it is VERY ALPHA.
    Squadron 42 is the Single Player Campaign of Star Citizen & the Spiritual Successor of Wing Commander. The Idea is the game is immersive, cinematic, beautiful & seamless... NO LOADING SCREENS once in game.
    Both Games are currently in the Alpha of their development with the hope that SQ42 Episode 1 will have a Feature Complete Beta by Q3 2020.
    I am suspecting to see something more like a Star Citizen PU Beta by the end of 2022 with permanent progression, though it could be a while after that before the game is considered feature complete.

    Disclosure:
    I am an independent Content Creator & Star Citizen Fan. I am not paid by CIG/RSI in anyway.
    I am an Evocati Member and as such I am under an NDA for Closed Early Patch Releases of Star Citizen's Persistent Universe, known as the Evocati Test Flight (ETF).
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    #StarCitizen #BoredGamer #Squadron42

  • What If the Solar System Started Spinning Backwards?

    10:21

    I have a NEW channel ► Meet, Arnold! -

    If you like this video - put Thumb Up button (please) and
    Subscribe to Ridddle channel. We will make this universe smarter together!
    Okay, okay. I got to go..... See You Soooooooooooooooon dudes ;)

  • History of Astronomy Part 3: Copernicus and Heliocentrism

    7:01

    Once it was determined that the Earth is round, the next step was to decipher the geometry of the solar system. Does everything rotate around the Earth, like in the geocentric model of Ptolemy? We thought so for thousands of years, but that all changed when Copernicus came along. He suggested that everything revolves around the sun instead, proposing a new heliocentric model. This was the single biggest paradigm shift in the history of astronomy, and also one of the most significant moments in the history of science. Or even in the history of mankind! Let's check out the details.

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  • Millions of Earth -- Exo-planets & Extraterrestrial Life HD

    6:57

    ... And if we are no longer alone in the universe would be? The search for extrasolar planets and extraterrestrial life forms.

    The search for so-called exoplanets - planets orbiting around our sun is not, but to distant stars - is of paramount importance to you find an answer to one of the most probable most profound questions that mankind can ask: Are we alone in the universe?

    ESO's observatories are equipped with a unique arsenal of instruments that allow to find exoplanets and to study.

    With the VLT (Very Large Telescope) is the first time astronomers have failed to demonstrate the faint glow of a planet outside our solar system and so for the first time ever to depict an exoplanet.

    This new world is a giant planet, about five times as massive as Jupiter, the most massive planet in our solar system.

    This observation is an important step towards one of the main goals of modern astrophysics: to characterize the physical structure and chemical composition of giant planets and, ultimately, also from Earth-like planets.

    With HARPS, the High Accuracy Radial velocity Planet Searcher (literally, the high-precision radial velocity planet hunter), astronomers have discovered no less than three planets orbiting nearby stars and have similar masses as the planet Neptune.

    One of these planets has a mass about five times larger than Earth and is located in the habitable zone of its star. In this zone, temperatures prevail, in which water can exist in liquid form - the basic condition of life as we know it.

    The astronomers suspect could exist, that it is a rocky planet is which, as our earth, has a firm surface on which liquid water. This discovery is an extremely important step in the search for planets where life could exist.

    Another discovery was made with a network of telescopes spread across the globe, which include the Danish 1.54-meter telescope at La Silla. Using an innovative technique that makes use of the so-called micro-lensing effect in the bargain, a group of scientists discovered in 2005, the Earth-like exoplanet yet.

    The planet has five times the mass of Earth, takes ten years to orbit its host star, and has very likely a rocky or icy surface.

    Using the CoRoT satellite and the HARPS spectrograph of the ESO astronomers discovered the first normal extrasolar planets. The planet named Corot-9b regularly attracts over in front of a sun-like star, which is located at 1500 light years away from Earth in the constellation of the Serpent, and therefore can be analyzed in detail.

    The Universe: Another Earth HD-

    Is Earth Unique or Is Life Common across the Universe?-

    Earth-like Planets HD-

    We are not alone: One in four stars 'may have Earth-like planets in orbit around them'-

    Galaxy may contain 'many Earth-like planets-

    Galaxy May be Full of 'Earths,' Alien life -

    Aliens Are out There-

    Looking for Alien Earths? Here they come-

    Earth-like Planet Discoveries on the Horizon (8/1/2010)-

    Earth's Twin Planet Will Be Found By The End Of The Year, leading Astronomer says (26/1/2010)-

    Scientists Discover Planet similar to Earth HD-

    Michio Kaku: Earth-Like Planet Discovered-

    New Planet Might Support Life-

    Odds of Life on Newfound Earth-Size Planet '100 Percent,' Astronomer Says-

    New Planet: There's Life!-

    Man 'Must Prepare to Meet Alien Life Forms' (25/1/2010) -

  • Documentary HD 2017 : Finding a New Earth: Exoplanets and the Habitable Zone

    1:37:38

    Dr. Stephen Kane (San Francisco State University) Over 1500 new planetary systems have been discovered, many of which include planets quite different from those in our own Solar System. A key.

    Documentary HD 2017 : Finding a New Earth: Exoplanets and the Habitable Zone Dr. Stephen Kane (San Francisco State University) Over 1500 new planetary systems have been discovered, many of.



    Astronomers who search for extrasolar planets were once thought of as crack-pots but are now at the forefront of astronomical research. The various methods used to locate and research these.

  • Where to Find a New Earth Documentary 2018

    1:26:33

    Where to Find a New Earth Documentary 2018

  • Ganymede Was Hiding The Biggest Crater in the Solar System

    10:09

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    Hello and welcome! My name is Anton and in this video, we will talk about the new discoveries from Ganymede that suggest the largest impact crater in the solar system. Previous upload had strange flashing that resulted from YouTube encoding that would be dangerous for people with epilepsy so I reuploaded a new version.
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  • Search For Another Earth - Where We Stand and How It Began | Video

    18:42

    On Oct. 6th, 1995, the reported discovery of jupiter-like exoplanet 51 Pegasi b catalyzed serious scientific quests for another Earth-like world. Told by the astronomers who competed and collaborated, this video chronicles why we now believe there are more than a billion rocky worlds, in possibly habitable orbits, throughout our Milky Way Galaxy. (How to Find 'Strange Life' on Alien Planets:

    Credit: NASA/JPL-Caltech

  • The Search for Another Earth

    1:27:01

    How common are Solar Systems like our own? How common are rocky worlds like our Earth? Are they suitable for life? Join Dr. Alan Dressler, famed for his studies of distant galaxies and of the large-scale structure of the universe, as he searches for life in the universe. [9/2006] [Science] [Show ID: 11782]

  • Its Over | The New Earth Is Here Now

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    It's Over | The New Earth Is Here Now

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  • Monthly Meeting - May 2020 - Insights on Planetary Systems from Interstellar Worlds

    51:08

    With Dr Michele Bannister , University of Canterbury. The small bodies of planetary systems record how their systems formed and evolved. Observations of the first interstellar object 1I/`Oumuamua
    show this visiting planetesimal has many curious properties, with some kinship to the tiny worlds in our own system. In contrast, 2I/Borisov is a comet that formed in a very different disk to that of the Solar System. Their 10^26 cousins wandering the Galaxy are part of an overarching cycle of planetesimal formation and scattering over billions of years. I will outline how this vast population of interstellar objects opens many possibilities for linking together seemingly disparate areas of astronomy and planetary science, from the formation of planets to galactic dynamics.

    Dr Michele Bannister is an award-winning planetary astronomer who specialises in the exploration and observation of small worlds in the
    Solar System and beyond. She is a lecturer in the University of Canterbury’s School of Physical and Chemical Sciences Te Kura Mātu, and a visiting scholar at Queens University Belfast, UK.

  • Why Is Pluto No Longer A Solar System Planet? Was It A Right Choice?

    13:41

    There once was a 9th planet in our solar system. Its name was Pluto, and it was a fact that it was a planet...until it wasn't. Join us as we explore whether Pluto should still be a planet.
    8. The Life and Times Of Pluto
    Before we fully dive into why Pluto should STILL be a planet...we need to talk about the Fakeout that occurred for many decades. Meaning, the finding, labeling and then unlabeling of Pluto as a planet. Sound good? Cool.
    So, like many objects in the sky itself, Pluto has been around for an undetermined amount of time, for the sake of argument let's say billions of years. However, just like many objects in the sky, it wasn't noticed by humanity for a very, VERY long time. In fact it wasn't discovered until 1930 via Clyde Tombaugh.
    Though to be clear, it wasn't a random find like certain other things in the universe. Rather, in 1846, people who were observing Neptune noted that there were some discrepancies in the orbit of Neptune that suggest that there was another planet nearby that they didn't know about. Fast forward to 1930 and at the Lowell Observatory in Flagstaff, Arizona, Tombaugh found Pluto. Mystery solved.
    The irony was that after taking notes about Pluto in regards to its mass and gravity, it was found that there was no way it was affecting Neptune's gravity in the way people believed it was at first. That didn't matter though because further study of Neptune seemed to fix all the beliefs about the discrepancies.
    Things only got better for Pluto when later on it appeared to have a moon orbiting it in the form of Charon. This was important because it meant that Pluto was big enough and had enough gravity to make something orbit it. A true classification of a planet.
    For many decades, 6 in fact, Pluto was a happy member of the solar system. 9 planets orbiting 1 sun. Everything was great...until it wasn't.
    7. The Fall Of Pluto
    Ok, so, what the heck went wrong? How did we go for decades thinking that Pluto was a planet and yet somehow...it's not anymore? That would be because of the 1990's (already a tumultuous period of history...), where scientists started to doubt that Pluto was a planet at all.
    But how exactly does that happen? How does one decide that a planet is not a planet. Well in the case of Pluto, that would have to do with location. Specifically its location in regards to both Neptune, and a belt of asteroids known as the Kuiper belt. You see, these are a string of asteroids, at least 1500 at last count in 2014, more than likely many more now, and they're held in place in part by Neptune's gravity.
    Why does that matter? Well, the Kuiper belt is just outside the space that Pluto is in. What's more, based on imagery and estimates, some of these asteroids are not only planet-shaped, but they're planet-sized. Some of them are even felt to be bigger than Pluto. So by that token, if there are asteroids in this belt that could be planets themselves...and they're bigger and have more massive than Pluto, and have an orbit just like Pluto or close to it...why should Pluto be a planet?
    This may sound like baseless accusations and such, but the scientific community had a different opinion on the matter. Mainly, they all started to wonder if Pluto honestly should be called a planet, or a sub-planet or a minor planet. Basically any adjective you can think of in order to make it clear that Pluto wasn't a full planet. Things culminated in many ways back in 2000. The Rose Center for Earth and Space, home of the Hayden Planetarium, categorized Pluto in one of its exhibits as a sub-planet. “There is no scientific insight to be gained by counting planets,” said the Hayden Planetarium’s director, Neil de Grasse Tyson, “eight or nine — the numbers don’t matter.”
    Tyson if you don't know is a BIG deal in the scientific and astronomy community, so having him say it doesn't matter if Pluto is considered a planet or not is a big blow.
    Finally, on August 24, 2006, the International Astronomical Union’s meeting in Prague led to a vote as to whether Pluto should be named a planet or something lesser. They decided to make a new classification, Dwarf Planet, and thus Pluto was a true planet no more.
    6. Should We Really Care If It's A Planet Or Not?
    Let's be honest with ourselves, should we really care if Pluto isn't a planet or not? Does it truly affect our lives if there are 8 or 9 planets or not? Does the Earth literally or figuratively respond to whether there is another planet revolving out there in space?

  • NASA hase Discovered a new planet 2019

    2:01

    NASA hase a Discovered a new planet 2019 ...

    #nasa #Jupiter #planet #space #Asteroide #earth #new_planet

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