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My Answered Questions
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What are black holes?
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Is space flat or curved?
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How was our solar system made
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How far is the closest star?
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how big is the full universe?
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How did you train/help train Tim Peake?
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what is it like in antartica
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* does every black hole contain a singularity ?* does sound travel faster in space ?* what keeps space so
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What is it like when you have the 3 months in darkness? is it scary?
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Have you ever been in space?