It was the image that broke the Internet in April 2019. The subject? One that had managed to evade the paparazzi for as long as people have theorized about its existence. It was the first photo ever taken of a black hole! It's a monumental event, not only for scientists but for the public too!
Up until recently, black holes had only technically been a theory. Well, astronomers were pretty sure they exist. For decades they’ve been watching the pull and push of black holes that influenced neighboring planets and stars. They’ve even been listening to the powerful gravitational waves that appear after supermassive black holes collide. But up till now, astrophysicists have always lacked that final proof of their existence.
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TIMESTAMPS:
“The point of no return” 1:47
How scientists captured the very first image of it 2:20
Its size is REALLY impressive 3:09
Is it dangerous for us? 3:31
The most exciting thing about this black hole 4:45
What black holes do 5:19
Wormholes in spacetime 6:06
Cool facts about black holes 6:50
Preview photo credit:
BEIJING, April 11, 2019 (Xinhua). Photo provided by the Event Horizon Telescope (EHT) shows the first image of the black hole: By Jin Liwang/Xinhua News/East News,
Animation is created by Bright Side.
#blackholes #space #brightside
Music by Epidemic Sound /
SUMMARY:
- The event horizon is “the point of no return” on the outskirts of a black hole. Once something, for example, matter, radiation, or light, reaches this boundary, there’s no way for it to escape the black hole's clutches.
-To capture the very first image of a black hole, scientists created a (sorta) mega Earth-sized virtual telescope by combining the power of 8 different radio telescopes spread around our globe.
- What they observed was a monster of a black hole measuring about 25 billion miles (40 bln km) across.
- It’s somewhere out in the middle of the supergiant Messier 87 galaxy, about 55 million light years away from our little floating rock in space.
- The headline-making black hole is a mature one. It's just chillin’, resting, and eating gas that's trickling from nearby stars. The giant is dimmer than other more energetic black holes.
- Black holes are some of the most extreme objects that exist anywhere in space. They pack incredible amounts of mass in a single point, which makes them infinitely dense.
- Black holes are so unique because they're the only existing objects surrounded by a region of spacetime that’s entirely inaccessible for the rest of the Universe!
- Some scientists are sure that certain black holes (the ones that spin fast) can create wormholes in spacetime!
- If scientists can get more images of black holes, they may be able to confirm (or reject) this hypothesis!
- There are tiny ones called primordial black holes. They vary from the size of an atom to that of a mountain!
- There’s a supermassive black hole right in the middle of our Milky Way galaxy!
- Besides Sagittarius A, there are a staggering 100 million medium-sized black holes in our galaxy.
- Scientists have found out that there exist black hole binaries: two black holes that orbit each other.
- If you ever find yourself near a black hole, you’ll notice that time slows down significantly.
- If you managed to squeeze Earth down to the size of a cherry tomato, it would turn into a black hole.
- They also sometimes fling out "spitballs" the size of a planet. These things manage to escape a black hole’s immense gravitational pull by slipping away before going past the point of no return.
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