Neil deGrasse Tyson Answers Science Questions From Twitter | Tech Support | WIRED

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Astrophysicist and 'StarTalk' host Neil deGrasse Tyson uses the power of Twitter to answer some common questions about our universe. What is a quark? Is there a limit to the expansion of the universe? Tune into 'StarTalk' airing Sundays at 11pm/10c on National Geographic. Still haven’t subscribed to WIRED on YouTube? ►► http://wrd.cm/15fP7B7 ABOUT WIRED WIRED is where tomorrow is realized. Through thought-provoking stories and videos, WIRED explores the future of business, innovation, and culture. Neil deGrasse Tyson Answers Science Questions From Twitter | Tech Support | WIRED





















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