How is the Earth’s crust changing and how do we know?
September 11, 2021What is the leading theory on how the moon formed? Are there any other theories? Does this theory explain why other planets in our solar might have satellites too? Or is it different for each planet?
September 11, 2021
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A black hole is defined as a region of space-time, which has an intense gravitational field such that no matter or radiation can escape.
A black hole is a place where matter has collapsed in on itself. It is the final stage of a massive star which has undergone a supernova explosion.
This catastrophic collapse results in a huge amount of mass being squeezed in an incredibly tiny volume. The gravitational effect of this place is so great that nothing – not even any particle or light – can escape from inside it.
Because no light can get out, black holes are invisible.
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