Why does the sky appear dark instead of ...

Why does the sky appear dark instead of blue to an astronaut?

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NCERT TELUGU-THE HUMAN EYE AND THE COLOURFUL WORLD-EXERCISES

The human eye can focus objects at different distances by adjusting th...
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The human eye forms the image of an object at its
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The least distance of distinct vision for a young adult with normal vi...
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The change in focal length of an eye lens is caused by the action of t...
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A person needs a lens of power –5.5 dioptres for correcting his distan...
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The far point of a myopic person is 80 cm in front of the eye . What i...
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Make a diagram to show how hypermetropia is corrected. The near point ...
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Why is a normal eye not able to see clearly the objects placed closer ...
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What happens to the image distance in the eye when we increase the dis...
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Why do stars twinkle?
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Explain why the planets do not twinkle.
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Write the reason for Sun appears red during the Sun-rise and Sun-set.
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Why does the sky appear dark instead of blue to an astronaut?
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