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17 February, 12:55

What are two challenges posed by the near-vacuum of space? microgravity and lack of air lack of air and extreme temperatures high temperatures and microgravity lack of water and extreme temperatures

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  1. 17 February, 13:10
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    Answer: There is no oxygen for astronauts to breathe, so spacecraft must be airtight. There is nothing to hold the sun's heat, so objects in space can experience a wide range of temperature.
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