Why does the sky appear dark instead of blue to an astronaut?
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If there would have been no atmosphere , there would have been no scattering of light and no scattered light would reach our eyes and thus the sky will appear black ( instead of blue ) .
Similarly , when an astronaut goes above the atmosphere of the earth in a rocket , he sees the sky black due to the absense of atmosphere , but to him the earth appears blue due to the blue colour of sunlight scattered by the earth's atmosphere reaching him . The stars and other heavenly bodies are seen as usual , but without twinkling.
Hope it helps !!
here's your answer !!
If there would have been no atmosphere , there would have been no scattering of light and no scattered light would reach our eyes and thus the sky will appear black ( instead of blue ) .
Similarly , when an astronaut goes above the atmosphere of the earth in a rocket , he sees the sky black due to the absense of atmosphere , but to him the earth appears blue due to the blue colour of sunlight scattered by the earth's atmosphere reaching him . The stars and other heavenly bodies are seen as usual , but without twinkling.
Hope it helps !!
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3
Answer:
The sky appears dark instead of blue to an astronaut because there are no particles in space to scatter the rays of sunlight.
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