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What are black holes? 🤔 Let's find out! 🪐 A black hole is an astronomical object with a gravitational pull so strong that nothing, not even light, can escape it. A black hole's “surface,” called its event horizon, defines the boundary where the velocity needed to escape exceeds the speed of light, which is the speed limit of the cosmos! #physics #science #space #blackhole #universe | Learning with Lyrics
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