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Atmospheric Refraction

Give reasons:...

Question

Give reasons:
The sky appears dark instead of blue to a person located in space.

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Solution

At very high altitudes, there is no atmosphere Since there is no atmosphere, the scattering of light does not take place.Hence, the sky appears dark instead of blue to a person located in space.

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Similar questions

Give reasons.

(1) The sky appears dark instead of blue to a person located in space.

(2) Stars twinkle at night.

(3) The sun appears reddish early in the morning.

(4) It is possible to enjoy a rainbow at fountains in any season.

Q. The sky appears dark instead of blue to an astronaut.Why?

Why do the sky appears dark instead of blue to the astronauts?

Q. Give reasons for the following:
(i) The sky appears to be blue during day time to a person on earth.
(ii) The sky near the horizon appears to have a reddish hue at the time of sunset and sunrise.
(iii) The sky appears dark instead of blue to an astronaut.
(iv) The stars appear to twinkle.
(v) The planets do not twinkle.

Q. Assertion (A): The sky appears dark instead of blue to an astronaut.
Reason (R): Scattering of sunlight cannot happen due to the absence of atmosphere in outer space.

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