Black holes are places where gravity is so powerful that nothing — not even light — can escape. Rather than being empty, black holes are chock full of matter that gets squeezed into a teensy space.
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25 facts about black holes
Welcome to the ultimate cosmic countdown! Today, we’re diving into the mysterious and mind-bending world of black holes with 25 incredible facts that will blow your mind. For instance, did you know ...
Add Yahoo as a preferred source to see more of our stories on Google. Merging black holes generate gravitational waves, which astronomers can track. SXS, CC BY-ND Black holes are massive, strange and ...
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