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Can you maintain a stable orbit with just a solar sail? Will a Dyson sphere or swarm kill all life inside of it? Can you protect yourself from a solar flare? What's the oldest ice in the Universe? All this and more in this week's Q&A!

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• 00:00 Start
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• 00:48 [Tatooine] Can you maintain orbit with just a solar sail?
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• 06:44 [Coruscant] Does a Dyson sphere kill all life inside of it?
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• 11:04 [Hoth] Can a Faraday cage protect from a solar flare?
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• 13:52 [Naboo] Can there be a stable irregular-shaped planet?
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• 17:45 [Kamino] How small can a rocket be?
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• 19:35 [Bespin] Can we detect artificial light on Proxima b?
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• 22:54 [Mustafar] How old was the Universe when first ice was able to form?
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\U0001f4fa VIDEO VERSION
\nhttps://youtu.be/YfiyXH6vqDQ

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