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  Astronomers we love: Michelle Thaller, assistant director for Science Communication at NASA’s Goddard Space Flight Center

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  Astronaut of the week: Chris Hadfield

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  Is asteroid mining possible and, if so, how would it work?

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  What is the real color of the Sun?

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  Cannibal Star HV 2112

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  Exclusive footage of the Dog Meteor impact!!

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  Eta Carinae – The Superstar of the Milky Way

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  What is the string theory?

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  What happens inside a wormhole?

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  Who was the first to state that Earth is at the center of the Universe? Who was the first to state that the Sun is at the center of the Universe?