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Astronomy and the universe: questions and answers

Astronomy and the universe: the most searched Space questions, with a direct answer, an explanation and sources.

Event Horizon Telescope (CC BY), vía commons
Astronomy and the universe
Why do black holes have such enormous gravity?
It's not the mass that makes the difference, but the density. From far away, a black hole pulls with the same force as a star of equal mass. But because all… more…