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My Answered Questions
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How does a supernova completely destroy a star?
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How do stars move when viewed from a speeding space ship?
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Galaxies look stationary, so why do scientists say that they rotate?
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How can you cancel out the jolt of a quick start?
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How can you tell a black hole made out of antimatter from a black hole made out of matter?
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How can astronomers know things for certain since they only look at space from one vantage point?
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Does every black hole contain a singularity?
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How do space probes make it past the asteroid belt without crashing into asteroids?
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Do you believe in astrology? what are your signs?
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How large would a bucket of water have to be to put out the sun?