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The sky is dark at night because the Earth turns, causing one side to go into the shadow of the Earth, making the sky dark.
Comment : I think this question is about "Olbers' Paradox". The answer is still a bit controversial, but most astronomers agree that the sky is dark at night because of the "Big Bang" that started our Universe.
The most important facts involved in the explanation are:
1) The Universe began about 13.7 billion years ago.
2) The Universe has been expanding since it began.
3) Light has a finite speed.
Look for "Olbers' Paradox" if you want a detailed explanation. In fact Wikipedia
has a useful page called simply "Olbers' Paradox".
What else can I help you with?
What is the sky color at night?
dark
Why is the night sky dark?
The night sky is dark because the light from distant stars and galaxies is not enough to illuminate the entire sky. This phenomenon is known as Olbers' Paradox, which suggests that the universe is not infinite and has a finite age.
What colour is the night sky?
It is either black or dark blue
What was tezcatlipoca the god of?
the night sky and many dark things
Why are clouds dark on a clear night?
Because it is a shadow of the moon and the sky
Why is the sky darker at night?
The sky gets dark because the earth orbits the sun and rotates, so when the earth is not facing the sun, it gets dark.
Why is the night sky dark blue instead of black in childrens animated movies - such as the night sky on Pinnochio?
Because the artists thought it looked better.
Words that describe day and night?
day- visible, safer, bright, sun, clouds, blue sky, night- dark, scary, invisible, black sky, sometimes unsafe
How can you see stars from earth?
Because they are very bright in the dark night sky.
What was the night sky on April 4 1953?
Quite dark in most places
What would the night be if threes no moon and star in the sky?
It wouldn't be dark anymore...
What appears in a dark circle inthe night sky on certain days?
A full moon appears as a dark circle in the night sky on certain days, caused by the shadow of the Earth falling on it during a lunar eclipse.
