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Q: Why was it so hard to take a picture of a black hole?
- https://www.askamathematician.com/2019/04/q-why-was-it-so-hard-to-take-a-picture-of-a-black-hole-what-are-we-even-looking-at/
- The dark in the middle isn’t the black hole itself, so much as a lack of gases. Newton’s gravity is proportional to the inverse square of the distance to whatever’s making the gravity; half the distance = four times the gravity, a third the distance = nine times the gravity.
M87: why the first black hole photo was so hard to …
- https://www.sciencefocus.com/space/m87-why-the-first-black-hole-photo-was-so-hard-to-capture/
- A black hole forms when matter is compressed into a volume so small that its gravity becomes too intense for anything, even light, to escape. This makes a stellar-mass black hole anywhere in our Galaxy too small for us to see with any Earthbound telescope. But nature has seen fit to create a second population of black holes.
Why has it been so difficult to get a photo of a black hole?
- https://www.quora.com/Why-has-it-been-so-difficult-to-get-a-photo-of-a-black-hole
- A black hole is just a ball of mass with such an immensely high gravitational field, that quite literally, nothing can escape. Yes, this includes light. The gravity of a black hole is so intense that the fastest moving thing in the universe cannot even escape its grasp. This is why it is so hard (because it’s impossible).
Why can’t we photograph a black hole? - Quora
- https://www.quora.com/Why-can-t-we-photograph-a-black-hole
- Why was it impossible? Black hole is something which has immense gravitation in it. Nothing can escape from it. Even light can’t escape from it. So if light can’t pass through it how can we take a picture of it? VERY LONG BASELINE INTERFEROMETRY : 8 telescopes were arranged across the globe. They were all switched on at the same time.
Photographing a Black Hole | NASA
- https://www.nasa.gov/image-feature/photographing-a-black-hole/
- Anything that comes within a black hole’s “event horizon,” its point of no return, will be consumed, never to re-emerge, because of the black hole’s unimaginably strong gravity. By its very nature, a black hole cannot be seen, but the hot disk of material that encircles it shines bright.
Why is the black hole image so blurry? It's too far away
- https://news.cgtn.com/news/3d3d674d3359544f33457a6333566d54/index.html
- Try taking a photo of a cat from 100 meters away. It will appear so small that you can't recognize it no matter how you zoom in. Though the M87 black hole is gigantic with a radius of 60 light years, it's 55 million light years away from us. That means the "cat" is about 23 million meters away. Try picture that and zoom in. No wonder it's blurry.
WATCH: Why Every Image of a Black Hole Isn't Real
- https://www.sciencealert.com/watch-why-every-picture-of-a-black-hole-is-an-illustration
- According to the Vox video above, black holes are ridiculously hard to photograph because they're either super far away from us or way too small. Also, black holes notoriously absorb all light, which makes it kind of hard to capture them on film. This all leads to a logical question: if we can’t see them, how do we know they’re real?
Can we really photograph a black hole? Are they not …
- https://eventhorizontelescope.org/faq/can-we-really-photograph-black-hole-are-they-not-entirely-dark-no-light-can-escape-them
- The first image of a black hole is not a classical photograph. It is a radiolight image the result of complex observational and computational interpretation (deconvolution). Further, it is not of the black hole itself, but of the "shadow"—the closest we can come to imaging a completely dark object that consumes all light and matter.
How Do You Photograph a Black Hole? | Magazine | MoMA
- https://www.moma.org/magazine/articles/563
- Happily for us imagers, black holes are surrounded by orbiting gases that glow with heat. Still, the challenge of imaging is immense: not a pixel would exist without the combined efforts of telescope operators, instrument designers, theorists, data experts, and engineers, from early-career to senior scientists.
Why the Event Horizon Telescope took so long to image a …
- https://astronomy.com/news/2019/04/the-road-to-imaging-a-black-hole
- Trying to take a picture of a black hole — an object that is, by definition, invisible—sounds like an exercise in futility. But for decades, theoreticians suspected it may just be possible to get a...
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