event horizon
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How to Find a Black Hole
Okay, good question. How the heck do you find an object that emits no radiation? Astronomers find — and study — just about everything in the universe using the radiation it emits or reflects. So…what happens when the object we’re…
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Black Holes: What the Movies Get Wrong
Any of you recognize this? To those who don’t, it probably looks like a pretty unimpressive, blurry ring. In fact, this is the first ever image of a black hole, taken with an interferometer the size of the Earth. If…
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What is a Black Hole, Really?
If you’re a sci-fi fan, you’ve probably seen these in movies. And I’m guessing you’ve heard a lot about them in pop culture. The problem is, pop culture and movies don’t do a very good job of describing black holes.…
