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Scientific American Space Lab
Caleb Answers Your Questions - Ask the Experts #17
Watch more episodes: http://goo.gl/9MNo5
Caleb Scharf, Director of Astrobiology at Columbia University, answers your questions!
Questions:
1. If you were standing near the event horizon of a black hole and someone pointed a beam of gamma rays at you? Would they remain gamma rays or turn into something else? —ciaran mccormick
2. If the universe is expanding, and galaxies are moving farther apart, then why is it that the Milky way and Andromeda galaxies are on a collision course? —theinsanity3
3. Why does the planets, astroids (in general) in our solar system orbit the sun in a flat orbit with all the planet in the same plane ? the same thing with the solar systems orbiting galaxies? —yassine Laarichi
Find out more about Caleb: goo.gl/1RnC9
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Leave your questions in the comment section or ask it in a video response. An expert will be back to answer 3 more of your questions. Thanks for watching!
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Hypervelocity Stars and MORE! - The Countdown #24
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LINKS for the TOP 5 are listed BELOW!!
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Lumpy Lunar Gravity http://goo.gl/6FB6K
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Caleb Answers Your Questions - Ask the Experts #17
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10,099 views
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Watch more episodes: http://goo.gl/9MNo5
Caleb Scharf, Director of Astrobiology at Columbia Univ...
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A Galactic Collision and MORE! - The Countdown #23
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Maryam Answers Your Questions! - Ask the Experts #16
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6,024 views
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