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How Long Would You Survive Falling Into a Black Hole

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How Long Would You Survive Falling Into a Black Hole

532 просмотра · 5 дн. назад
Eh?
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532 просмотра · 5 дн. назад
How long would you actually survive if you fell into a black hole? Our traveler gets a spacesuit, gets teleported next to three very different black holes, and lets go. No rockets. No way back. Just gravity. 🕳️⏱️ In this animated science scenario, you'll see why a small black hole turns you into spaghetti before you even reach the edge (yes, "spaghettification" is the real scientific word), why the supermassive black hole at the center of our galaxy, Sagittarius A*, is surprisingly gentle, and why inside TON 618, one of the biggest black holes ever found, you could live for days. Then time gets weird: your friend watching from far away sees you slow down, turn red and freeze at the edge forever, while your own watch keeps ticking normally. That same effect is real here on Earth: GPS satellites have to correct for it every single day. ⏱️ Chapters 0:00 Intro 0:34 What Is a Black Hole? 1:45 A Small Black Hole 3:11 Sagittarius A* 4:51 TON 618 6:07 Time Gets Weird 7:21 The Scoreboard 8:10 The Final Twist 💬 Where should we send you next? Tell us in the comments. 🔔 Subscribe to Eh? We ask weird questions and find even weirder answers. 📚 Sources & notes • Event Horizon Telescope: first image of Sagittarius A* (May 2022) • TON 618: mass estimate of about 66 billion Suns (Shemmer et al., 2004) • GPS relativity: satellite clocks run about 38 microseconds per day fast and are corrected on the ground • Survival times use simple Newtonian estimates of tidal forces and free-fall time from the event horizon ⚠️ This is a simplified, educational scenario. We pretend the black holes are "quiet", with no glowing gas or radiation around them. Real numbers depend on the black hole's spin and many other factors, so treat all times as rough estimates. #blackhole #space #whatif