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Welcome to your Today's Quiz - Black Hole

How is a black hole formed?

Black holes cannot be seen because they don't reflect light. True or false?

Albert Einstein came up with the term 'black hole'. True or false?

What surrounds a black hole?

What is the area surrounding a black hole called?

How big can a black hole be?

According to scientists, how many black holes exist?

What are the three sizes of black holes known as?

How many times more massive than our Sun is the M87 black hole?

Roughly how small would you have to squish the Earth for it to become a black hole?

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