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What is the difference between the …

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What is the difference between the sky and space? ???

    • Posted by Shital Thakur 7 years, 2 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Yogita Ingle 7 years, 2 months ago

    Sky

    1. The sky is blue. This is because the blue part of sunlight (which is otherwise white) gets scattered all across the sky, as it has the shortest frequency.
    2. The sky has some radiation in it, mostly in the form of cosmic radiation and direct radiation from the sun.
    3. The sky is breathable up to around 8km up

    Space

    1. Space has no colour as there is nothing in it that reflects light.
    2. In space there’s nothing for the cosmic rays to collide with except you. Also there is no similar protection from solar radiation and sunlight.
    3. Space is essentially devoid of gas so there’s nothing to breathe except trace whisps of hydrogen which are at too low a pressure for you inhale anyway.

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