Neil deGrasse Tyson Answers Your Questions! Round 6 - YouTube Space Lab

Posted: May 11, 2012
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Neil deGrasse Tyson is here to answer your space questions! Questions:
If light can move at the speed of light because photons have no mass, then how come they can't go faster or, for that matter, escape a black hole? Why is there always just talk about going into outer space but never any action? What do you know about multiverses? Leave your questions in the comment section or ask it in a video response. Remember, the question with the most thumbs up will always be answered, no matter what! An expert will be back to answer 3 more of your questions. Thanks for watching! Check out Neil deGrasse Tyson's radio show: Don't know who Neil is? Find out about him here: Watch more episodes of 'Ask the Expert': Subscribe, future astronauts!

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