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Questions and Answers

If we can see both the sun and moon in the sky on one side of the Earth, does that mean that people on...

Questions and Answers

What happens in a black hole?

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Does a black hole move?

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Why does everything disappear in a black hole? Because it rotates so fast or because of the gravity of the black hole?

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Why doesn’t the earth get warmer after being irradiated by the sun for millions of years?

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What is the distance between Mercury and the earth in light years?

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Why do we not notice the movements we undergo as the Earth revolves around the Sun?

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Why are all planets round?