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प्रश्न
To an astronaut in a space-ship, the earth appears ______.
विकल्प
White
Red
Blue
black
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उत्तर
To an astronaut in a space-ship, the earth appears blue.
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संबंधित प्रश्न
With the help of scattering of light, explain the reason for the difference in colours of the Sun as it appears during sunset/sunrise and noon.
Which colour of the spectrum has
longest wavelength,
Explain why, the sun can be seen about two minutes before actual sunrise. Draw a diagram to Illustrate your answer.
Explain why, if we look at objects through the hot air over a fire, the objects appear to be moving (or shaking) slightly.
Which effect is illustrated by the observation that when a beam of sunlight enters a dusty room, then its path becomes visible to us.
Why does the sky appear dark (or black) to an astronaut instead of blue?
Explain why, when the sun is overhead at noon, it appears white, but when the same sun is near the horizon at sunset, it appears red.
Explain in brief the reason for the following:
Twinkling of stars
At noon the sun appears white as:
Is the position of a star as seen by us its true position? Justify your answer.
