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These are the asteroids to worry about

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  • These are the asteroids to worry about

    20:06

    Stephen Hawking thought an asteroid impact posed the greatest threat to life on Earth. Thanks to Kiwico for sponsoring this video. For 50% off your first month of any crate, go to
    For other potential world ending catastrophes, check out Domain of Science:

    Special thanks to:
    Prof. Dave Jewitt from UCLA Earth, Planetary, and Space Sciences
    Prof. Mark Boslough from Sandia National Labs
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    Ryan Wyatt at Morrison Planetarium
    Prof. Amy Mainzer
    Alexandr Ivanov for the opening shot of Chelyabinsk Meteor

    Maps of Asteroid Impacts —

    Time passing animation from Universe Sandbox -

    Opposition Effect —
    Belskaya, I. N., & Shevchenko, V. G. (2000). Opposition effect of asteroids. Icarus, 147(1), 94-105.

    Potentially Hazardous Asteroids —
    Perna, D., Barucci, M. A., & Fulchignoni, M. (2013). The near-Earth objects and their potential threat to our planet. The Astronomy and Astrophysics Review, 21(1), 65.

    Survey of Potentially Hazardous Asteroids —

    Population Vulnerability —
    Rumpf, C. M., Lewis, H. G., & Atkinson, P. M. (2017). Population vulnerability models for asteroid impact risk assessment. Meteoritics & Planetary Science, 52(6), 1082-1102.

    Size distribution of NEOs —
    Trilling, D. E., Valdes, F., Allen, L., James, D., Fuentes, C., Herrera, D., ... & Rajagopal, J. (2017). The size distribution of near-earth objects larger than 10 m. The Astronomical Journal, 154(4), 170.

    2020 NEOWISE Data Release —

    National Research Council Report—
    Board, S. S., & National Research Council. (2010). Defending planet earth: Near-Earth-Object surveys and hazard mitigation strategies. National Academies Press.

    Tug Boat —
    Schweickart, R. L., Lu, E. T., Hut, P., & Chapman, C. R. (2003). The asteroid tugboat. Scientific American, 289(5), 54-61.

    Gravity Tractor 1 —
    Lu, E. T., & Love, S. G. (2005). Gravitational tractor for towing asteroids. Nature, 438(7065), 177-178.

    Laser Ablation —
    Thiry, N., & Vasile, M. (2014). Recent advances in laser ablation modelling for asteroid deflection methods. SPIE Optical Engineering+ Applications, 922608-922608.

    Yarakovsky Effect —

    DART Mission —

    Nuclear 1 —
    Ahrens, T. J., & Harris, A. W. (1992). Deflection and fragmentation of near-Earth asteroids. Nature, 360(6403), 429-433.

    Nuclear 2 —
    Bradley, P. A., Plesko, C. S., Clement, R. R., Conlon, L. M., Weaver, R. P., Guzik, J. A., ... & Huebner, W. F. (2010, January). Challenges of deflecting an asteroid or comet nucleus with a nuclear burst. In AIP Conference Proceedings (Vol. 1208, No. 1, pp. 430-437). American Institute of Physics.

    Researched and Written by Petr Lebedev, Jonny Hyman and Derek Muller
    3D animations, VFX, SFX, Audio Mixing by Jonny Hyman
    2D animation by Ivàn Tello
    Intro animation by Nicolas Pratt
    With Filming by Raquel Nuno

    Music from Stellar Dance Orbit That Notebook What We Discovered Out of Poppies Handwriting
    Images and video supplied by Getty Images

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  • 5 Horrible Asteroids in Direction to Earth And Its Date Of Collision.

    10:00

    Asteroids, those dangerous objects capable of wiping out the entire civilizations, are found in millions in space.
    Most of them revolve around the solar system, mainly between the orbits of Mars and Jupiter.
    But the frightening thing is that according to different data collected by science, there are a number of asteroids that are approaching the earth and some of them even have a date for their collision with our planet.
    Get ready, because this time, we will review some asteroids that are in the direction of the earth and their possible date of collision.

    Before we start, we don't want to alarm you, as many asteroids have passed through the earth throughout history and have rarely posed a threat to the planet. Although some of the asteroids listed below have an impact date, this is not accurate, as many of them change their trajectory over the years.

    Knowing this, let's get started.

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  • ASTEROIDS Size Comparison ????

    2:40

    Hello everyone, today I bring you an impressive video of asteroid sizes, only some of them of course. You will see its enormous size compared to New York City, it is something awesome!

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    Disclaimer The 433 Eros shape is not correct. It should be a long asteroid, not so spherical.

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  • What If Apophis Hits Us In 2029?

    10:14

    What If Apophis Hits Us In 2029?
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    There are millions of asteroids floating in our Solar System. Every year thousands of meteorites weighing about a pound fall on Earth. Usually we don’t see them, because they land in uninhabited forests or the ocean.
    However, in 2004 scientists discovered a really dangerous asteroid in space weighing more than 20-million-tons or 40-billion-pounds.

    The first observations show it has a 2.7% of chance of hitting us in 2029. If an asteroid this big hit the Earth, it would cause major devastation over the area it impacted. But what is the real chance of it hitting us, and what can we do to prevent big asteroids from hitting our planet in the future?

    #apophis #asteroid #meteorite

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  • An Extinction Level Asteroid Impact With Neil deGrasse Tyson

    10:09

    An extinction level event from an asteroid impact is among the most common cause of extinction for many species in the history of life on Earth. Neil deGrasse Tyson explains in detail the possibility of an asteroid impact from the asteroid named Apophis after the ancient Egyptian deity who embodied chaos, its estimated diameter is between 1,115 and 1,214 feet. Additional observations cleared up the concern of a direct impact. Apophis is expected to pass close to Earth in 2029, 2036 and again in 2068.

    Neil deGrasse Tyson explains the details if Apophis were to hit near the coastline of North America.

    Asteroids are rocky fragments left over from the formation of the solar system about 4.6 billion years ago. Most of the asteroids orbit between Jupiter and Mars, where the Jupiter's gravity prevents them from ever combining into a larger body.

    There are, however, asteroids and comets that have been nudged by the gravitational attraction of nearby planets into orbits that allow them to enter the Earth's neighbourhood. These are called Near Earth objects or NEOs.

    NEOs are not yet well understood; they have only been tracked for a few years, and their orbits are usually very uncertain. It is difficult to predict how close an object will come to Earth, or where it will hit.

    An asteroid impact on Earth could have catastrophic consequences depending on the composition of the asteroid and the location of impact. An asteroid is likely to make a crater upon impact with Earth, causing massive destruction within a radius of hundreds of miles. This crater is likely to be hazardous for some time following the impact. Moreover, a major asteroid collision could cause general disruption to climate and weather systems on Earth.

    At the end of the Cretaceous Period, 65 million years ago, an asteroid hit Earth in the Yucatan Peninsula, Mexico, forming what is today called the Chicxulub impact crater. This impact caused a mass extinction in which 75% of plant and animal species on Earth became extinct, including all non-avian dinosaurs.

    According to Neal DeGrasse Tyson, If an asteroid is found to be on a collision course with Earth, instead of trying to blow it up, the main goal would be to nudge it out of its path, avoiding an unpleasant end to civilization.

    #asteroid #neiltyson #science

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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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  • What If The Largest Asteroid Hit Earth?

    10:47

    #eldddir #eldddir_space #eldddir_disaster #eldddir_earth

  • NASA’s Plan to Stop an Asteroid Headed for Earth

    8:02

    Like this video about how NASA is preparing to stop an asteroid headed for earth, and subscribe here:

    Watch the next video in our series on Guardians of the Apocalypse:

    Estimates say that a vehicle-sized asteroid explodes in our atmosphere about once per year, often too high to make a noticeable impact.

    But in 2013, a small meteor exploded just 20 miles above Chelyabinsk, Russia that sent over 1,200 people to the hospital.

    Today, a team of experts from NASA’s Planetary Defense Coordination Office works diligently to find asteroids that travel near Earth’s orbit.

    They’ve released a plan in order to prevent a large-scale asteroid impact, and part of this plan is the DART mission.

    DART aims to travel to the asteroid Didymos in 2021 to demonstrate the tech that could be used to redirect an asteroid headed for Earth.

    It's a collaboration with the European Space Agency (ESA), whose Hera spacecraft will follow up and observe the results of the impact on the asteroid and map Didymos's surface and interior structure.

    See the full article on NASA's plans to stop an asteroid headed for earth, here:

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  • How Asteroids Really Killed The Dinosaurs - Part 2 | Last Day Of The Dinosaurs

    4:29

    Did you know that if the asteroid that wiped out the dinosaurs from the face of the Earth would have hit another location, they may still be alive? The shallow waters of the Gulf Of Mexico instantly vaporized as the asteroid hit, causing absolute destruction. This was the Last Day Of The Dinosaurs.

    Asteroid Day is celebrated every year on the 30th of June.

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  • Apophis Asteroid - Apophis is Coming in 2029

    9:22

    The Apophis Asteroid is going to get very close to Earth in 2029! How/will it impact us? Apophis is classified as a Potential Hazardous Asteroid (PHA) to Earth and astronomers want to use the event to learn more about how these celestial bodies will affect Earth.

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  • What will happen if asteroids hit Earth

    3:03

    NASA tracks more than 10,000 Near Earth Objects (NEOs) in space. Millions of years ago, one of these NEOs hit Earth, wiping out the dinosaurs. No person has every been killed by one in recorded human history. Using Purdue University's Impact Earth and data from NASA, we calculated the destruction different size asteroids would cause if they hit land.

    Produced by Kevin Reilly. Animations by Rob Ludacer. Special thanks to Julia Calderone.

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  • Asteroids Size Comparison: Types of Asteroids and Introduction to Lagrange Points

    10:11

    Asteroids are the leftover rocks that neither take part in the making of the planet nor they fuse together and grow large enough to become a planet. They are also called Minor Planets as they revolve around the sun like planets but are way smaller. Asteroids that are larger in size are called Planetoids whereas asteroids that are smaller than 1 meter are called Meteoroid.

    Scientists found evidence of a huge asteroid impact 65 million years ago at the Yucatán Peninsula in Mexico. It is believed that this event is responsible for the extinction of dinosaurs. On impact, it created a 300 km wide crater by vaporizing the earth’s crust. The crater is known as Chicxulub crater as Its center is located near the town of Chicxulub.

    Based on their orbits, asteroids are classified into three types: Main Asteroid belt, Trojans, and Near-Earth Asteroids.

    Asteroids that share the orbit of Jupiter and other planets are called Trojan Asteroids. They do not collide with the planet as they gather around two special places in the orbit called the L4 and L5 Lagrange points.

    Based on the composition Asteroids are broadly classified into three basic types C-type, S-type, and M-type.

    Chapters:

    0:00 Asteroids Size Comparison
    2:01 About Asteroids
    4:29 Extinction of Dinosaurs Explained
    5:54 Lagrange Points
    8:08 Types of Asteroids
    9:08 Difference between Meteoroid, Meteor, and Meteorite
    9:42 Apophis Asteroid
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  • Asteroid Apophis More Likely To Strike Earth

    5:17

    The near-Earth asteroid Apophis might be more likely to strike Earth in 2068 than thought. Researchers say they'll have to keep an eye on it.

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  • All Asteroids from Smallest to the Biggest

    4:32

    What are the largest asteroids? There are millions of asteroids in the Solar System. They range in size from Ceres—the largest at about 940 km in diameter - to 2015 TC25 that is about 2m across. A lot of asteroids hit Earth in the past. Everybody knows about the asteroid that caused the extinction of the dinosaurs, right?

    So what will happen to our planet if an asteroid, by some wild whim of the cosmos, finds its way to Earth? Well, nothing good, that’s for sure. The meteorite that led to the extinction of the dinosaurs some 65 million years ago was only 6 to 9 miles in diameter, and it caused extreme chaos. Today experts track near-Earth objects trying to calculate their trajectories. Let's look at some near-Earth asteroids and find out how big are they!

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  • Asteroids: Crash Course Astronomy #20

    11:33

    Now that we’ve finished our tour of the planets, we’re headed back to the asteroid belt. Asteroids are chunks of rock, metal, or both that were once part of smallish planets but were destroyed after collisions. Most orbit the Sun between Mars and Jupiter, but some get near the Earth. The biggest, Ceres is far smaller than the Moon but still big enough to be round and have undergone differentiation.

    CORRECTION: In the episode we say that 2010 TK7 is 800 km away. However, 2010 TK7 stays on average 150 million kilometers from Earth, but that can vary wildly.
    Sorry about that!

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    Table of Contents
    Asteroids Are Chunks of Rock, Metal, or Both 1:45
    Most Orbit the Sun Between Mars and Jupiter 7:16
    Ceres is Far Smaller Than the Moon, But Large Enough to be Round 3:43

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    PHOTOS/VIDEOS
    Timelapse of Asteroid 2004 FH's flyby [credit: NASA/JPL Public Domain]
    Asteroid Discovery Video [credit: Scott Manley - scottmanley1972@gmail.com]
    Inner Solar System [credit: Wikimedia Commons]
    Kirkwood gaps [credit: Wikimedia Commons]
    Ceres, Earth & Moon size comparison [credit: NASA]
    Dawn Glimpses Ceres’ North Pole [credit: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA]
    Ceres cutaway [credit: NASA, ESA, and A. Feild (STScI)]
    Bright Spot on Ceres Has Dimmer Companion [credit: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA]
    Vesta [credit: NASA/JPL-Caltech/UCAL/MPS/DLR/IDA]
    Lutetia [credit: ESA]
    Gaspra [credit: NASA]
    Steins [credit: ESA/Osiris]
    Mathilde [credit: NEAR Spacecraft Team, JHUAPL, NASA]
    Ida [credit: NASA/JPL]
    Kleopatra [credit: Stephen Ostro et al. (JPL), Arecibo Radio Telescope, NSF, NASA]
    An artist's conception of two Pluto-sized dwarf planets in a collision around Vega. [credit: NASA/JPL-Caltech/T. Pyle (SSC)]
    Itokawa [credit: ISAS, JAXA]
    An artist's illustration showing two asteroid belts and a planet orbiting Epsilon Eridani [credit: NASA/JPL-Caltech]
    Near-Earth Asteroids [credit: NASA/JPL-Caltech]
    Lagrange Points Diagram [credit: Wikimedia Commons]
    TK7 [credit: NASA/JPL-Caltech/UCLA]
    165347 Philplait [credit: Larry Denneau/Pan-STARRS via Amy Mainzer]

  • The first asteroid ever discovered - Carrie Nugent

    5:06

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    Over the course of history, we’ve discovered hundreds of thousands of asteroids. But how do astronomers discover these bits of rock and metal? How many have they found? And how do they tell asteroids apart? Carrie Nugent shares the story of the very first asteroid ever discovered and explains how asteroid hunters search for these celestial bodies.

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  • Defending Earth from Asteroids with Neil deGrasse Tyson

    58:04

    There are about a million near-Earth asteroids that are large enough to substantially damage or destroy a major city, as evidenced by the explosion over Chelyabinsk, Russia, in February 2013 of a meteor no bigger than a large truck, which injured more than 1,000 people.

    With current space technology, scientists know how to deflect the majority of hazardous near-Earth objects. But prevention is only possible if nations work together on detection and deflection. Learn about the risks, and the steps that are needed to avoid these potential natural disasters, from a group of astronauts and cosmonauts who recently helped develop recommendations to the United Nations for defending Earth from asteroid impact in this discussion.

    This program, which was streamed live on the web, took place at the American Museum of Natural History on October 25, 2013, the same week the United Nations General Assembly adopted measures creating an international decision-making mechanism for planetary asteroid defense. The event was co-hosted by the American Museum of Natural History and the Association of Space Explorers (ASE).

    Neil deGrasse Tyson, who is the Frederick P. Rose Director of the Hayden Planetarium, hosted the discussion with participants Thomas Jones, former NASA astronaut, senior research scientist at the Florida Institute for Human and Machine Cognition, and Association of Space Explorers (ASE) Near Earth Objects Committee member; Russell Schweickart, former NASA astronaut, ASE co-founder and Near Earth Objects Committee member, and co-founder and chairman emeritus of the B612 Foundation; Dumitru-Dorin Prunariu, former Romanian astronaut, ASE co-founder and Near Earth Objects Committee member, and vice president of the European International Institute for Risk, Security, and Communication Management; Edward Lu, former NASA astronaut, ASE Near Earth Objects Committee member, and co-founder, chairman, and CEO of the B612 Foundation; and Soichi Noguchi, engineer and JAXA astronaut, and ASE Near Earth Objects Committee member.

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  • The Asteroids That Could Kill Us All | Unveiled

    6:54

    Earth has witnessed massive, apocalyptic events in its past. This planet has seen at least five mass extinctions throughout history, but could a wayward asteroid cause another one? Could the solar system one day turn against us?

    In this video, Unveiled discovers whether a rock from space could one day trigger our next mass extinction...

    This is Unveiled, giving you incredible answers to extraordinary questions!

    Find more amazing videos for your curiosity here:
    What's Inside the Asteroid Belt? -
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    #Asteroid #Meteor #Armageddon #Apocalypse #Space

  • 5 Asteroids You Should Worry About

    8:36

    5 Asteroids You Should Worry About

    If there are any asteroids/meteors that should bring you any concern, these are them. While these asteroid impacts may pose some threat to Earth, the truth is that the odds are still VERY much in our favor. From 999942 Apophis to 3122 Florence here are 5 asteroids scientists worry about.

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  • these are the asteroids to worry about

    1:05

    Stephen Hawking thought an asteroid impact posed the greatest threat to life on Earth

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  • 10 Asteroids We Really Should Be Worried About!

    12:50

    From the deadly asteroid due to impact Earth in 2022 to the politics thwarting our defense against it, here is everything you need to know about the asteroids we need to be worrying about!

    Subscribe to American Eye

    10: Near Miss of 2020
    Asteroid is flying by Earth this week — here's how to watch (radio.com)
    Asteroids are definitely a big deal and something that everyone should at least be aware of. But unfortunately, not everyone knows about the asteroid problem.

    9: The Impact of 2022
    Unbeknownst to most of the world, there is an asteroid on its way towards planet earth and it could impact on May 6, 2022. The asteroid's name is 2009 FJ1, and according to NASA it has a 1 in 3984 chance of smashing into our world.

    8: The Richest Asteroid
    Not all asteroids are dangerous. In fact, asteroids can be worth quite a bit of money. For example, The Hubble Space Telescope recently captured a photograph of an asteroid estimated to be worth 70,000 times more than the global economy.

    7: Asteroid 2018VP
    If you look into it, it seems as though there is no end to the possibility of destruction by asteroid. Another asteroid that almost made a collision course with earth is known as asteroid 2018VP.

    6: Politics and Asteroids
    If one day a planet-destroying asteroid were to be found speeding towards us, it might not be the asteroid that kills us, but rather the politics that will have hampered our response.

    5: The Asteroid of 2068
    And now it's time to learn about the very real threat of an undefended earth against an asteroid the size of a skyscraper. According to NASA themselves, there is a megalithic asteroid heading straight for earth that could make impact in the year 2068.

    4: The DART Spacecraft
    The term planetary defense may seem like something out of a science fiction movie, but the fact remains that planetary defense is here and it's necessary if we’re going to avoid destruction by an asteroid.

    3: The Death of the Arecibo Observatory
    For humans to continue detecting the asteroids that we should worry about, we need observatories. In 2020, the fight against catastrophic asteroids took a big hit when the Arecibo Observatory collapsed under itself in a dramatic and unintended act of self-destruction.

    2: The Asteroid that Killed the Dinosaurs
    Speaking of hitting the earth, there is no better example of the destructive power of asteroids than the asteroid that killed the dinosaurs.

    1: The Planet Killer
    Scientists call it the planet killer. It's a theoretical asteroid that every citizen of earth should be worried about. The planet killer is an asteroid so large that all life on earth would be annihilated almost immediately.

    #asteroids #meteorites #earth #americaneye

  • These are the near earth objects to worry about | Amazing Asteroids Facts | Lab 360

    4:07

    #asteroids #spacefacts #meteorite #lab360 #comets
    Which are the asteroids to worry about? What are asteroids? Today we bring you the total guide to asteroids and which are the asteroids dangerous for the earth. Asteroids are small, rocky objects that orbit the Sun. Although asteroids orbit the Sun-like planets, they are much smaller than planets. There are lots of asteroids in our solar system. Most of them are located in the main asteroid belt – a region between the orbits of Mars and Jupiter. With this video let's dive deep into space and learn more about asteroid's history.

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  • A Giant Asteroid Is Flying to Earth, and Youll See It

    10:06

    It's 66 million years before today - the last days of the Mesozoic era. An asteroid slams into the planet with enormous force. The impact leaves a crater that's more than 100 miles across. The crash sets off a series of natural disasters that erase 80% of life on Earth. It’s the very asteroid that’s going to finish off dinosaurs. All the creatures close enough to see the crash, don't survive for longer than a few seconds - so powerful the hit is.

    More than 30,000 objects that are circling Earth these days can potentially strike our planet. NASA considers around 1,500 of them potentially hazardous. These space rocks are the remains left after the Solar System was formed some 4.6 billion years ago. If one of these objects hits our planet, the consequences will be unpredictable. They can vary from shattered glass and broken windows to all life forms getting wiped off the face of the earth. Unfortunately, in our case, it's likely to be the second option. In 2004, astronomers discovered a huge asteroid nearing Earth...

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  • 11 Asteroids Getting Nervously Close to Earth

    9:21

    Asteroid strikes don't happen often, so when they do, it's memorable! Like the one that wiped out all the dinosaurs! ???????? But that doesn't mean asteroids have stopped flying near our planet. In fact, some of them fly by a little too close for comfort! But get this: there are near Earth asteroids that are getting closer and closer over time! So, are we due for an epic dinosaur-style collision, or can we do something to prevent these giant space rocks from smashing into our planet? ????

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  • इन एस्टेरोइड से डरना चाहिए | These are the asteroids to worry about

    18:31

    स्टीफन हॉकिंग ने सोचा था कि एक क्षुद्रग्रह प्रभाव ने पृथ्वी पर जीवन के लिए सबसे बड़ा खतरा पैदा कर दिया।

  • THIS IS THE MOST DANGEROUS ASTEROID DETECTED

    12:33

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    If an object measuring 1 km across were to hit our planet, the consequences would be much graver. There were precedents in the history of our Earth and there is no guarantee it will not happen again. Over a thousand celestial bodies are posing a potential threat today. So what would happen if a really large asteroid were to collide with us?

    #ASTEROID #Earth #Kosmo

  • Create Your Own Asteroid Impact!

    4:42

    A meteor shower happens when rocks from space burn up in the atmosphere and make a beautiful light show! Lately, though, Squeaks has been wondering what would happen if one of those space rocks made it through the atmosphere to the Earth's surface.
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  • Comets, Asteroids, and Meteors | Learn all about what they are made of and how they differ

    7:56

    Comets Asteroids and Meteors are all over the solar system. But did you know that each are quite different? You may be wondering What is a comet?, What is an asteroid made of?, or Where does a meteor come from? Well, sit tight because in this video we will answer all of your questions!

    We first take a closer look at asteroids for kids. Asteroids are the largest of the space rocks, but may also include metal substances. Most of them go around the Sun between the orbits of Mars and Jupiter. The area of orbit is called the Asteroid Belt, which includes an inner and an outer region. The inner region is made up of asteroids that mostly contain metal (Gold, Iron, Platinum, and Nickel). The outer region contains asteroids mostly made up of rocks.

    We then explain what a comet is. You can think of a comet as a large snowball filled with or covered by dust, metal, and debris. They have an icy core, covered by a layer of black dust. The center is mainly composed of water and gases, frozen and mixed together with bits of rock and metal. A comet in the outer parts of the Solar System is too small to be seen from Earth. We then talk about the difference between short and long period comets.

    Lastly, we explore Meteors, meteoroids, and meteorites. Meteors are sometimes called falling or shooting stars, and they begin as meteoroids traveling through the Earth’s atmosphere. They are not stars. They are small pieces of rock or metal originating from a comet or asteroid. They form from colliding asteroids of debris from comets. A meteorite is a meteoroid that does not burn up in the Earth’s atmosphere, but instead, falls to the Earth’s surface.

    Video Chapters:
    0:00 Introduction to the 3 space rocks
    0:57 Asteroids
    1:45 Ceres and Other Dwarf Planets
    3:46 Comets
    4:58 2 Types of Comets [Short Period and Long Period]
    5:55 Meteors
    6:09 Meteoroids
    7:00 Meteorite

    We hope you enjoyed this video and had fun learning about Asteroids, Comets, and Meteors. If you'd like even more resources on this topic we invite you to download our free lesson plan that is complete with more activities, worksheets and more all about how comets, meteor, and asteroids. You can download that lesson here:

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    #Comets
    #Meteors
    #Asteroids

  • NASA Said That Something Massive Is Heading Towards Our Planet

    11:17

    NASA said that something massive is heading towards our planet. Today, we take a look at what NASA officials said is heading towards our planet.

    It’s an uncomfortable truth that we are vulnerable within the universe. It’s a fact that asteroids approach the Earth every year. There is never a guarantee of total safety and it is just a matter of sheer luck as to whether we are directly hit.

    Thank you for watching!

    Thank you to CO.AG for the background music!

  • What Were the Biggest Asteroids to Hit Earth?

    2:56

    Impact Craters on Earth, Moon and other planets provide evidence that the Earth has been struck by asteroids since it formed roughly 4.5 billion years ago. Once every few million years, an object large enough to threaten life on Earth comes along.

    #asteroids #impact #craters #space #Earth #solarsystem #astronomy

    Meteorite specialist Denton Ebel, Curator in the Division of Physical Sciences, provides a brief history of impacts from the early days of the solar system to the impact that might have led to the demise of most dinosaurs on the planet.

    ASTEROID CRASH COURSE

    Asteroids can be hazardous to life on Earth, but they also provide clues about the early solar system. In the Asteroid Crash Course video series, Denton Ebel, curator in the Museum's Division of Physical Sciences, explains how asteroids formed and the varying degrees of destruction they cause when they fall to Earth.

    What is an Asteroid?


    Meteorite, Meteor: What’s the Difference?


    Why Are There No Planets in the Asteroid Belt?


    Can Asteroids Be Deflected?


    What Happens When Large Meteorites Fall to Earth?


    How Are Large Asteroids Tracked?


    VIDEO CREDITS:

    VIDEO
    AMNH/J. Bauerle

    VISUALIZATIONS
    “Cosmic Collisions” by AMNH/Denver Museum of Nature & Science/GOTO, Inc. Tokyo, Japan/Shanghai Science and Technology Museum, China
    AMNH/Department of Exhibition
    NASA/ Goddard Space Flight Center/Lunar Reconnaissance Orbiter

    PHOTOGRAPHY
    AMNH/D. Finnin
    AMNH/S. Thurston
    NASA
    TTÜ/Gennadi Baranov
    Cardiff University/Ian McMillan
    United States National Park Service
    Wikimedia Commons/wilson44691

    MUSIC
    “Scrape the Sky” by Ben Worley and Matt Morris/
    Warner Chappell Production Music

    COSMIC COLLISIONS
    Cosmic Collisions was developed by the American Museum of Natural History, New York, in collaboration with the Denver Museum of Nature & Science; GOTO, Inc., Tokyo, Japan; and the Shanghai Science and Technology Museum, China.

    Made possible through the generous support of CIT.

    Cosmic Collisions was developed by the American Museum of Natural History with the major support and partnership of National Aeronautics and Space Administration, Science Mission Directorate, Heliophysics Division, grant number NNG04GC18G.

    This video and all media incorporated herein (including text, images, and audio) are the property of the American Museum of Natural History or its licensors, all rights reserved. The Museum has made this video available for your personal, educational use. You may not use this video, or any part of it, for commercial purposes, nor may you reproduce, distribute, publish, prepare derivative works from, or publicly display it without the prior written consent of the Museum.

    © American Museum of Natural History, New York, NY

  • Near-Earth Asteroids: Stepping Stones to an Interplanetary Civilization

    1:6:11

    Dr. Stanley Love, NASA Astronaut and Asteroid Scientist, presented this lecture at the Keck Institute for Space Studies on August 12, 2014

  • Dont Worry About That Asteroid That Might Hit This Year | SciShow News

    7:27

    That asteroid the headlines have been warning people about isn't likely to actually hit us, and scientists might have solved a mystery that could save lives: the relationship between tides and earthquakes.

    Skillshare is offering SciShow viewers two months of unlimited access to Skillshare for free! Try it here:

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  • The CSA answers your questions about asteroids

    5:00

    2018-12-14 - Canadian Space Agency (CSA) astronaut Jenni Sidey-Gibbons and CSA senior mission scientist Tim Haltigin answer some of the Internet’s most-asked questions about asteroids. (Credit: Canadian Space Agency)

    Useful Links
    The OSIRIS-REx asteroid sample-return mission:
    What is an asteroid?:
    Canada's role in OSIRIS-REx:

    Find out more about this video:

  • Using Rockets to Save the Earth from Asteroids

    1:03

    Jeffrey Hughes explains how we might use rockets to save the earth from an asteroid impact--by pushing back.

  • What Are Asteroids And Where Do They Come From?

    5:19

    Asteroids are small, rocky objects that orbit the sun, just like the rest of the planets and celestial bodies in our solar system. Although asteroids are present throughout the solar system, most of them live in the asteroid belt—a region located between the orbits of Mars and Jupiter. The size of objects within the asteroid belt have a wide range, from being no bigger than a dust particle to almost a thousand kilometers wide. Our solar system came into existence about 4.6 billion years ago when a large cloud of gas and dust collapsed.

    Following this event, most of that material fell to the center of the cloud and resulted in the formation of the sun—the central star of our solar system. Planets were formed from some of the condensing dust in that cloud, but not all celestial material had the chance to be incorporated into planets. The leftovers from that time took the form of asteroids.


    #science #funfacts #asteroids


    Music Credits:
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    References



  • Adventures of an asteroid hunter | Carrie Nugent

    6:07

    TED Fellow Carrie Nugent is an asteroid hunter -- part of a group of scientists working to discover and catalog our oldest and most numerous cosmic neighbors. Why keep an eye out for asteroids? In this short, fact-filled talk, Nugent explains how their awesome impacts have shaped our planet, and how finding them at the right time could mean nothing less than saving life on Earth.

    TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world's leading thinkers and doers give the talk of their lives in 18 minutes (or less). Look for talks on Technology, Entertainment and Design -- plus science, business, global issues, the arts and much more.
    Find closed captions and translated subtitles in many languages at

    Follow TED news on Twitter:
    Like TED on Facebook:

    Subscribe to our channel:

  • Bringing Asteroids to Earth: A Trip to the Early Solar System

    1:8:11

  • The Hazardous Asteroids to worry about- in 60 sec ;Science Loop #shorts

    59

    In the last book of Stephen Hawking, he thought an asteroid impact is the greatest threat to life on Earth. you have probably heard about The Chelyabinsk meteor incident.
    A potentially hazardous object (PHO) is a near-Earth object – either an asteroid or a comet – with an orbit that can make close approaches to the Earth and large enough to cause significant regional damage in the event of impact. They are defined as having a minimum orbital intersection distance with Earth of less than 0.05 astronomical units (19.5 lunar distances) and an absolute magnitude of 22 or brighter. 98% of the known potentially hazardous objects are not an impact threat over the next 100 years.

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    Voyager - by Jonny Easton
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    #Science #shorts #Asteroids

  • Humans to Near Earth Asteroids - Paul Abell

    1:25:07

    SETI Talks archive:

    Recently the current U.S. presidential administration directed NASA to include near-Earth asteroids (NEAs) as destinations for future human exploration with the goal of sending astronauts to a NEA in the mid to late 2020s. These missions would be the first human expeditions to interplanetary bodies beyond the Earth-Moon system and would prove useful for testing technologies required for human missions to Mars, Phobos and Deimos, and other Solar System destinations. Missions to NEAs would undoubtedly provide a great deal of technical and engineering data on spacecraft operations for future human space exploration while conducting detailed scientific investigations of these primitive objects.

    Dr. Abell will show how current analyses of operational concepts suggest that stay times of 15 to 30 days may be possible at these destinations. In addition, the resulting scientific investigations would refine designs for future extraterrestrial In Situ Resource Utilization (ISRU), and assist in the development of hazard mitigation techniques for planetary defense.

  • What’s the difference between asteroids and comets?☄ | Educational Videos for Kids

    2:18

    The universe has asteroids, and comets. Do you know what they are? Can you differentiate them?

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    Recommended video: What is an Asteroid? | Educational Videos for Kids

    -----------
    Look at these images, they are asteroids, and comets.
    You’ve heard talk about asteroids and comets many times, but… Do you know what they are? Can you differentiate them?

    Asteroids and comets, are rocky and frozen remains, which exist since the formation of the solar system. When they are close to our planet, we can see them in plain sight. And some of them are beautiful, like this comet.

    Asteroids and comets, are differentiated because of their composition, and their size.

    Asteroids, are usually larger than comets, and are composed of rock and metal. so the sun's heat hardly affects them. Also, asteroids don’t have a tail, remember that!

    Comets, are composed of ice, rock, dust, and organic compounds, and are recognised, because they do have, really looong tails. The most famous one, is comet Halley, which can be seen from Earth, approximately every 75 years. Although seen from the surface of our planet, it looks gigantic and as if it’s tail could measure millions of kilometres, comet Halley is veeery small, measures 15km long and 8 wide. Also, it’s in the shape of a peanut. The universe is so cool isn’t it?

  • Asteroids to Watch Out For

    3:29

    Hank tells us about NASA's Near-Earth Object Program, which tracks the paths of asteroids and categorizes them according to the likelihood that they will strike the Earth at some point in the future.

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  • The asteroids club - common threats can lead to compromise: Jonathan Haidt at TEDxMidAtlantic 2012

    16:54

    Jonathan Haidt (pronounced height) is a social psychologist at the NYU-Stern School of Business. He received his Ph.D. from the University of Pennsylvania in 1992, and spent most of his career (1995-2011) at the University of Virginia. Haidt's research examines the intuitive foundations of morality, and how morality varies across cultures. In recent years he has examined the moral cultures of liberals, conservatives, and libertarians. Haidt is the author of The Happiness Hypothesis, and of the The Righteous Mind: Why Good People are Divided by Politics and Religion.

    In the spirit of ideas worth spreading, TEDx is a program of local, self-organized events that bring people together to share a TED-like experience. At a TEDx event, TEDTalks video and live speakers combine to spark deep discussion and connection in a small group. These local, self-organized events are branded TEDx, where x = independently organized TED event. The TED Conference provides general guidance for the TEDx program, but individual TEDx events are self-organized.* (*Subject to certain rules and regulations)

  • Astrometry - Find and Identify Asteroids and Comets

    52:29

    This video is meant for the intermediate to advanced deep space astrophotographer who wants to identify known or unknown moving objects they may stumble across in their images. Software and guides used in this video are below. Study the Guide to Minor Body Astrometry carefully before sending anything to the MPC!

    Guide to Minor Body Astrometry - Become very familiar with this!


    Astrometrica:


    Find Orb:


    Dimension 4 Sync System Time to UTC:


    Astro Surf IRIS:


    IRIS instructions for DSLR:


    Plate Solve Images:


    Planetarium:

  • Space Science for Families: Near-Earth Asteroids, The Impact Hazard, and Space Missions

    55:03

    Near-Earth asteroids (NEAs) are small solar system bodies in orbits that come near or cross the orbit of Earth. I will review NEAs as unique physical worlds, as potential impact hazards to Earth, and as accessible destinations for spacecraft.

    Michael W. Busch, PhD, is a planetary astronomer and research scientist at the SETI Institute. His research focuses primarily on studying individual asteroids with radar and radio technique; to understand their histories, rule out future Earth impacts, and support space missions.

    If you like science, support the SETI Institute! We're a non-profit research institution whose focus is understanding the nature and origins of life in the universe. Donate here:

    Learn more about the SETI Institute and stay up-to-date on awesome science:

    - Subscribe to our YouTube channel at
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    Don't forget to like and subscribe! Ring the bell for notifications of when we go live.

    #Science #Chabot #Asteroids

  • BCTalks - Lisa Piccirillo: The World of ASTEROIDS: An Introduction to the Nature of Abstract Math

    20:18

    Lisa Piccirillo presents her talk, The World of ASTEROIDS: An Introduction to the Nature of Abstract Math, at BCTalks on April 25, 2013.

    Videography by James Zhen.

  • Jonathan Haidt: How common threats can make common ground

    20:02

    If an asteroid were headed for Earth, we'd all band together and figure out how to stop it, just like in the movies, right? And yet, when faced with major, data-supported, end-of-the-world problems in real life, too often we retreat into partisan shouting and stalemate. Jonathan Haidt shows us a few of the very real asteroids headed our way -- some pet causes of the left wing, some of the right -- and suggests how both wings could work together productively to benefit humanity as a whole.


    TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world's leading thinkers and doers give the talk of their lives in 18 minutes (or less). Look for talks on Technology, Entertainment and Design -- plus science, business, global issues, the arts and much more.
    Find closed captions and translated subtitles in many languages at

    Follow TED news on Twitter:
    Like TED on Facebook:

    Subscribe to our channel:

  • Anthropocene Astronomy: Thwarting Dangerous Asteroids Begins with Finding Them | Ed Lu

    1:13:19

    Are humans smarter than dinosaurs? We haven’t proved it yet.

    In the long now, the greatest threat to life on Earth, or (more frequently) to civilization, or (still more frequently) to cities, is asteroid impact. The technology exists to eliminate the threat permanently. It is relatively easy and relatively cheap to do. However to date, government organizations have not made this a priority. That leaves nonprofits and private funding. Considerable efficiency may be gained by going that route.

    Ed Lu is CEO and Chairman of the B612: Foundation, which, in partnership with Ball Aerospace is building an asteroid-detection system called Sentinel, aiming for launch in 2018. A three time NASA astronaut, Lu is also the co-inventor of the “gravity tractor” -- one of the several techniques that can be used to nudge threatening asteroids out their collision paths with Earth.

    Asteroid threat is an attention-span problem blended with a delayed-gratification problem---exactly the kind of thing that Long Now was set up to help with. Taking the extreme danger of asteroids seriously requires thinking at century and millennium scale. Dealing with the threat requires programs that span decades, because asteroids can only be deflected if they are found and dealt with many years before their potential impact. The reality is that the predictability of orbital mechanics makes cosmic planetary defense completely workable. Sometimes real science is more amazing than science fiction.

    On February 15th of this year, civilization got a wake-up call. A 45 meter asteroid, large enough to completely obliterate a major city, missed Earth by only 17,000 miles, and hours later a smaller rock, 17 meters in diameter, exploded in the air over Chelyabinsk, Russia, injuring 1500 people. Interest in B612’s asteroid detection mission spiked accordingly.

    Anthropocene Astronomy: Thwarting Dangerous Asteroids Begins with Finding Them was given on June 18, 02013 as part of Long Now's Seminar series. The series was started in 02003 to build a compelling body of ideas about long-term thinking from some of the world's leading thinkers. The Seminars take place in San Francisco and are curated and hosted by Stewart Brand. To follow the talks, you can:

    Subscribe to our podcasts:
    Explore the full series:
    More ideas on long-term thinking:

    The Long Now Foundation is a non-profit dedicated to fostering long-term thinking and responsibility. Our projects include a 10,000 Year Clock, endangered language preservation, thousand year+ data storage, and Long Bets, an arena for accountable predictions.

    Become a Long Now member to support this series, join our community, and connect with our ongoing work to explore and deepen long-term thinking:

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  • How and Why Is NASAs OSIRIS-REx Mission Visiting Asteroid Bennu?

    6:40

    On Dec. 3, 2018, the OSIRIS-REx spacecraft arrives at its target, near-Earth asteroid Bennu. Here, the team explains mission goals and the process of approach and rendezvous. OSIRIS-REx will study Bennu for two years before collecting a sample to return to Earth.

  • 10 Planet Killer Asteroids That Can Hit Earth in 2020

    7:09

    2020 couldn't get any worse or will it?

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    There are millions of asteroids in our solar system. Most of them quietly orbit around the sun between Mars and Jupiter but sometimes many of these asteroids come too close to the earth.
    The last major impact event was the Tunguska event which occurred in Siberia in 1908. It flattened an estimated 80 million trees over an area of 830 square miles of forest. The explosion was caused due to the airburst of a meteoroid.

    It's a statistical certainty that one day an asteroid will hit the earth.

    According to scientists their methods of detecting asteroids is accurate but there have been many asteroids that have managed to fly by earth undetected.

    Asteroid 2019 was such an asteroid that passed earth on 26 July 2019 It flew by earth at a distance of 73000 kilometers which was the closest asteroid flyby on record. The scary part was it was not detected by any of our space agencies.

    Here are 10 killer asteroids that will fly by earth this year.
    0:00 Introduction
    1:11 ASTEROID 2004 FG11.
    1:42 ASTEROID 2012 XA133.
    2:21 ASTEROID 2009 XO.
    2:49 ASTEROID 2008 TZ3.
    3:23 ASTEROID 2019 UO.
    4:10 ASTEROID 2002 NN4.
    4:40 ASTEROID 2000 WO107.
    5:15 ASTEROID 2002 PZ39.
    5:46 ASTEROID 1997 BQ.
    6:21 ASTEROID 1998 OR2.

    Credit: NASA/ESA

  • Inside NASAs Psyche Mission to Study a Metallic Asteroid

    2:28

    Join NASA Psyche Mission Co-Investigator Dr. Tim McCoy as he takes us on a journey from his first geology class to his current role as Curator-in-Charge of the US National Meteorite Collection at the Smithsonian National Museum of Natural History and his role on the Psyche Mission Science Team. Along the way, McCoy highlights the significance of studying a metallic asteroid and what it may be able to tell us about the formation of the solar system and our own planet. It’s the journey of a lifetime, and he didn’t want to miss it.


    Psyche is both the name of an asteroid orbiting the Sun between Mars and Jupiter — and the name of a NASA space mission to visit that asteroid, led by Arizona State University.



    For more information about NASA's Psyche mission go to:

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