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  • 03:38 Popular Could Comets Be The Source Of Life On Earth? - Justin Dowd

    Could Comets Be The Source Of Life On Earth? - Justin Dowd

    1,597 views / 4 likes - added

    View full lesson: http://ed.ted.com/lessons/could-comets-be-the-source-of-life-on-earth-justin-dowd While comets were historically thought to be ill omens of war and famine, recent science has revealed that these celestial wonders actually contain amino a

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  • 03:19 Popular Majority Of Earth's Water Likely Not From Comets

    Majority Of Earth's Water Likely Not From Comets

    743 views / 0 likes - added

    It was once thought comets may have delivered the water on Earth, but the chemical signature of comet water does not match that of the water found on Earth. If not from comets, how did Earth get its water? Catch new episodes of HOW THE UNIVERSE WORKS Tues

  • 04:15 Did Comets Kickstart Life on Earth? — Speaking of Chemistry

    Did Comets Kickstart Life on Earth? — Speaking of Chemistry

    590 views / 0 likes - added

    That's right. Comets may have helped seed life on Earth. Far out, right? Sarah Everts has the chemical clues that back up this out-of-this-world hypothesis. ↓↓More info and references below↓↓ Comet collisions may have helped seed life on Earth | C&EN http

  • 01:40 What Are The Differences Between Asteroids, Meteors And Comets?

    What Are The Differences Between Asteroids, Meteors And Comets?

    524 views / 1 likes - added

    In honor of Asteroid Day, Science Channel explains the difference between 3 common cosmic objects: comets, meteors and asteroids. Subscribe to Science Channel: http://bit.ly/SubscribeScience Check out SCI2 for infinitely awesome science videos. Every day.

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  • 11:55 Popular Comets: Crash Course Astronomy #21

    Comets: Crash Course Astronomy #21

    744 views / 0 likes - added

    Today on Crash Course Astronomy, Phil explains comets. Comets are chunks of ice and rock that orbit the Sun. When they get near the Sun the ice turns into gas, forming the long tail, and also releases dust that forms a different tail. We’ve visited comets

  • 04:01 Comets And Asteroids!

    Comets And Asteroids!

    640 views / 1 likes - added

    Our journey through the solar system continues, as Jessi gives you a close look at comets and asteroids! ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awes

  • 01:02 Comets 101

    Comets 101

    647 views / 0 likes - added

    Brush up on your comet knowledge with this astronomical crash course. Subscribe to Science Channel: http://bit.ly/SubscribeScience Check out SCI2 for infinitely awesome science videos. Every day. http://bit.ly/SCI2YT Download the TestTube app: http://test

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  • 01:35 Asteroids, Comets & Meteors: What’s the Difference?

    Asteroids, Comets & Meteors: What’s the Difference?

    549 views / 0 likes - added

    There are millions of giant rocks hurtling around the the solar system. Some of them stay in the cosmos and others penetrate the Earth’s atmosphere. So how do you tell the difference between different types of space rocks? The universe is kind of complica

  • 03:18 HALLEY, 2061

    HALLEY, 2061

    274 views / 0 likes - added

    The intellectual taming of comets began with Edmond Halley (with an assist from Newton) in the late 17th and early 18th centuries. In the April 11, 1908, supplementary edition of Scientific American, astronomer S. I. Bailey wrote, Before Halleys time come

  • 03:58 How Could We Get To Mars In Only 28 Hours?

    How Could We Get To Mars In Only 28 Hours?

    351 views / 0 likes - added

    There's a cheat code to getting to Mars. Can humans handle the harsh conditions that space will throw at them?Watch more: Trapped In Space ft William Osmen https://www.youtube.com/watch?v=-PevXm5qYCkMeet The Life Noggin Team!Director/Voice - Pat Graziosi:

  • 02:45 ASTEROIDS Size Comparison 2

    ASTEROIDS Size Comparison 2

    261 views / 1 likes - added

    In this second part of the asteroid comparison, some of the currently best known asteroids are shown, some comets and some fictitious ones.~ - Approximate - Error range*UM - Unreliable MeasureMUSIC: (YouTube Library) Chtulthu - Quincas MoreiraSOURCES:Arma

  • 00:56 Rosetta Spacecraft 101

    Rosetta Spacecraft 101

    544 views / 0 likes - added

    While investigating comets 500 million miles away from Earth, the Rosetta spacecraft has taught us a lot about the spaceborne objects. Subscribe to Science Channel: http://bit.ly/SubscribeScience Check out SCI2 for infinitely awesome science videos. Every

  • 05:23 The 10 Weirdest Things in the Solar System

    The 10 Weirdest Things in the Solar System

    598 views / 0 likes - added

    Pierogi moons, rubber duckie comets and spewing ice balls: We have some very strange neighbors among the myriad planets, moons and objects that circle our sun. Scientific American editors Lee Billings and Michael Lemonick pick the pasta shaped moons Pan a

  • 02:36 Popular Here's How The Oort Cloud Formed at the Birth of Our Solar System

    Here's How The Oort Cloud Formed at the Birth of Our Solar System

    1,060 views / 0 likes - added

    #HowTheUniverseWorks | Tuesdays at 10/9c on Science Full Episodes Streaming FREE on Science GO: https://www.sciencechannelgo.com/how-the-universe-works/ The Oort Cloud comets are like the dinosaur bones of solar system formation. Contained in them are the

  • 11:41 The Oort Cloud: Crash Course Astronomy #22

    The Oort Cloud: Crash Course Astronomy #22

    699 views / 0 likes - added

    Now that we’re done with the planets, asteroid belt, and comets, we’re heading to the outskirts of the solar system. Out past Neptune are vast reservoirs of icy bodies that can become comets if they get poked into the inner solar system. The Kuiper Belt i

  • 06:50 How to Find a Meteorite!

    How to Find a Meteorite!

    269 views / 0 likes - added

    Maybe you've seen a shooting star, a bright streak of light that zips across the sky! But did you know that those shooting stars are actually rocks falling from space? And sometimes you can find them on the ground! Find out how with Anthony and Sam!------

  • 03:51 Why Haven't Meteoroids Killed Us All?

    Why Haven't Meteoroids Killed Us All?

    608 views / 2 likes - added

    If space is full of rocks and other debris, why aren't they colliding with us all the time? How does our atmosphere protect us? What Happens When A Meteor Strikes Earth? http://bit.ly/1p8HV3r Sign Up For The Seeker Newsletter Here http://bit.ly/1UO1PxI Sp

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  • 01:23 Popular Sesame Street: Let's Count to Three (1,2,3)

    Sesame Street: Let's Count to Three (1,2,3)

    1,008 views / 0 likes - added

    Let's count to three! How many jellyfish do you see? How many loops do you see? How many comets? How many fireworks? Things sure are neat when they come in groups of three's! Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription

  • 03:10 What is Dry Ice? | We The Curious

    What is Dry Ice? | We The Curious

    165 views / 0 likes - added

    Nerys Shah of the Live Science Team talks about her favourite things to do in We The Curious and tells us all about 'Icy Bodies'; from tiny chunks of dry ice skimming along the surface of water, to huge comets whizzing around our solar system.This video w

  • 03:05 What You Actually See During A Meteor Shower

    What You Actually See During A Meteor Shower

    628 views / 0 likes - added

    Whether it’s the Perseids meteor shower in August or the Orionids in October, meteor showers are one of those light shows we can always count on year after year. And that regularity has everything to do with what you’re actually seeing when you watch a me

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  • 03:50 What's a Meteor Shower?

    What's a Meteor Shower?

    608 views / 1 likes - added

    Have you ever looked up at night and seen a streak of light flash across the sky? Some people call that a "shooting star," but it's not actually a star at all! Join Jessi and Squeaks to learn what shooting stars really are and how they happen! ----------

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  • 08:05 Science Fiction VS Science Fact | Movie Myths Debunked

    Science Fiction VS Science Fact | Movie Myths Debunked

    498 views / 1 likes - added

    Movies take a lot of dramatic license where science is concerned, but who's getting it all wrong on the silver screen. From the g-force you would suffer when achieving lightspeed to what a nuclear bomb would sound like in space we investigate what's right

  • 04:55 NASAs Exoplanet Hunter Is Getting Us One Step Closer To Another Earth, Here's How

    NASAs Exoplanet Hunter Is Getting Us One Step Closer To Another Earth, Here's How

    396 views / 0 likes - added

    NASA's Transiting Exoplanet Survey Satellite (TESS) discovered 21 planets outside our solar system during its first year in space. How does TESS categorize a planet? Subscribe to Seeker! http://bit.ly/subscribeseeker Watch more Elements! http://bit.ly/Ele

  • 03:56 What If a Black Hole Entered Our Solar System?

    What If a Black Hole Entered Our Solar System?

    542 views / 0 likes - added

    Eight planets, hundreds of moons, hundreds of thousands of asteroids, and billions of comets orbiting our Sun make up our Solar System. And not once has a single black hole disturbed our planetary routine. But what if it did? Would this uninvited guest sw

  • 05:15 Zombie Starfish | Nature's Weirdest Events - BBC

    Zombie Starfish | Nature's Weirdest Events - BBC

    549 views / 1 likes - added

    Subscribe and to OFFICIAL BBC YouTube https://bit.ly/2IXqEIn Stream original BBC programmes FIRST on BBC iPlayer https://bbc.in/2J18jYJ Once again Nature's Weirdest Events has trawled the internet, raided their contact book and scoured the scientific worl

  • 05:19 Popular What Are Asteroids And Where Do They Come From?

    What Are Asteroids And Where Do They Come From?

    957 views / 1 likes - added

    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 belta region located between t

  • 03:58 What Did We Learn From Landing On A Comet?

    What Did We Learn From Landing On A Comet?

    561 views / 0 likes - added

    Philae is the first lander to touch down on a comet, but what have we learned since it landed? We Just Landed On A Comet! ►►►► http://bit.ly/1QMiHmt Sign Up For The TestTube Newsletter Here ►►►► http://bit.ly/1myXbFG Read More: What did Philae learn in it

  • 04:29 Popular This Discovery Shows Life Might Have Come From Space

    This Discovery Shows Life Might Have Come From Space

    789 views / 0 likes - added

    Chiral molecules are "handy" molecules. Here's how they're helping us discover where else life might exist and how it originated on Earth. Atomic Oxygen Found on Mars! What Does It Mean? - http://bit.ly/1UzuPES Sign Up For The Seeker Newsletter Here - htt

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  • 01:51 Why Are Plane Windows Round?

    Why Are Plane Windows Round?

    547 views / 0 likes - added

    We often learn the most from our failures, this is particularly true for advancements in the field of engineering. Unfortunately for the engineers in the aviation industry, the prices to pay for failure are high. This will be a reoccurring theme in my vid

  • 04:35 What Exists In The Dark Space Between Solar Systems?

    What Exists In The Dark Space Between Solar Systems?

    669 views / 0 likes - added

    Many people think that space is a vacuum, but that’s actually a misconception. What exactly exists between solar systems? Is This the Creepiest Satellite That's Ever Flown? ►►►►http://bit.ly/1NQANPm Sign Up For The TestTube Newsletter Here ►►►► http://bit

  • 08:43 How Close Are We to Mining in Space?

    How Close Are We to Mining in Space?

    440 views / 0 likes - added

    Asteroids hold untold riches when it comes to untapped resources. We are getting closer to harvesting materials from these celestial objects, but how close are we to mining asteroids? Subscribe to Seeker! http://bit.ly/subscribeseeker Watch more How Close

  • 04:03 Popular Could Life On Earth Have Come From A Comet?

    Could Life On Earth Have Come From A Comet?

    722 views / 0 likes - added

    What if alien DNA led to human existence? This amino acid recently found in comets gives us insight on our potential alien-relatives. Are We Sabotaging Our Search For Life On Mars? - http://bit.ly/29MAiYY Sign Up For The Seeker Newsletter Here - http://bi

  • 10:27 Popular How Do We Protect Earth From Asteroids? Part 1 - Finding Them

    How Do We Protect Earth From Asteroids? Part 1 - Finding Them

    775 views / 0 likes - added

    We know we live in a cosmic shooting gallery. Who’s got their eyes on the sky, and how will we prevent an asteroid strike if we find a dangerous space rock? Support us at: http://www.patreon.com/universetoday More stories at: http://www.universetoday.com/

  • 04:50 Did Water Crash Into Earth From Space?

    Did Water Crash Into Earth From Space?

    182 views / 0 likes - added

    Did water crash into Earth from space by way of a massive comet, or was it around long before our planet's formation? Well, one new study suggests that it might have actually come from the most unlikely source of all: the Sun. Subscribe to Seeker! http://

  • 03:35 Popular What Is The Dwarf Planet Ceres?

    What Is The Dwarf Planet Ceres?

    823 views / 2 likes - added

    Don’t know what the dwarf planet Ceres is, and at this point you’re too afraid to ask? BrainStuff will give you the deets on this otherworldly object. Learn more at HowStuffWorks.com: http://science.howstuffworks.com/dictionary/astronomy-terms/asteroid.ht

  • 06:48 What Are Alien Megastructures?

    What Are Alien Megastructures?

    653 views / 0 likes - added

    Did scientists find a giant alien structure around KIC 8462852? Probably not, but if they did, what would these structures look like? Support us at: http://www.patreon.com/universetoday More stories at: http://www.universetoday.com/ Follow us on Twitter:

  • 10:24 Popular What the Earth Went Through Before Humans Appeared

    What the Earth Went Through Before Humans Appeared

    795 views / 2 likes - added

    What did the Earth look like 4.6 billion years ago? Nope, it wasn't the fancy blue and green ball youre used to. It was more like a giant rock covered in molten lava and constantly bombarded by comets and asteroids. There was no sign of life here yet noth

  • 11:01 Popular Is There Life on Mars?

    Is There Life on Mars?

    1,255 views / 0 likes - added

    You know what would be exciting? Finding life on Mars. What is the best evidence we’ve seen for life on the Red Planet? References: http://mars.nasa.gov/programmissions/missions/past/viking/ http://www.astrobio.net/news-exclusive/potential-signs-ancient-l


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