Why does the sky appear dark instead of blue to an astronaut? - letsdiskuss
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Sanjay A

Student | Posted on | Education

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

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CONTENT WRITER | Posted on

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"An astronaut's view of Earth from space is quite different than what most people see."

In the vastness of outer space, astronauts can see a lot more than just the Earth. The sky appears dark, as if they are immersed in another dimension altogether. Why does this happen? It actually has to do with how they "see" light from an outside source. Let's take a closer look at how an astronaut’s vision works so you can understand why their view of the sky is perhaps not quite what you might expect.



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Content writer | Posted on

The sky appears blue to us because of scattering of sunlight.This can happen only when there is atmosphere.The light gets absorbed by the dust particles and gases in the atmosphere and it get deflected in another direction.
But the space do not have an atmosphere,the light from the sun travels in a straight line .The colors stay together and hence the phenomenon of scattering of the light do not occur.So the sky appears dark to the astronauts instead of blue.

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translator | Posted on

When sunlight touches the atmosphere of the earth, the dust and gaseous particles present in the air absorb the light and reflect it in all directions.This phenomenon is known as Scattering of light.Due to this scattering of light we see the blue sky when we look up. The particles that scatter light are called scatterers,But Space do not have an atmosphere and hence the sun’s rays are not scattered.Astronauts see only darkness around everywhere in the outer space.


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