Data is Beautiful

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A place to share and discuss visual representations of data: Graphs, charts, maps, etc.

DataIsBeautiful is for visualizations that effectively convey information. Aesthetics are an important part of information visualization, but pretty pictures are not the sole aim of this subreddit.

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The size of two supermassive black holes at the center of a distant galaxy relative to our solar system (lemmy.world)

submitted 1 week ago by FlyingSquid to c/dataisbeautiful

25 comments fedilink hide all child comments

Two supermassive black holes are locked in an orbital dance at the core of the distant galaxy OJ 287. This diagram shows their sizes relative to the solar system. The larger one, with about 18 billion times the mass of our sun (right), would encompass all the planets in the solar system with room to spare. The smaller one is about 150 million times the mass of our sun (left), which would be large enough to swallow up everything out to the asteroid belt, just inside the orbit of Jupiter.

https://www.spitzer.caltech.edu/image/ssc2020-11b-sizes-of-black-holes-in-galaxy-oj-287-relative-to-the-solar-system

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[–] [email protected] 2 points 1 week ago (1 children)

Why would it be different from a suns gravity well? Unless you mean the event horizon but I don't get why the small one would be worse.

[–] Carrolade 2 points 1 week ago (1 children)

He's probably talking about tidal forces. Gravity falls off with the square of distance, so the closer you get to the center, the greater the difference in gravitational strength becomes for every meter of distance. With a supermassive, you're far enough from the center that your head and feet experience similar levels of gravity at the event horizon.

With a small one you're much closer to the center, so your head and feet experience extremely different gravity, which rips you apart.

[–] [email protected] 2 points 1 week ago (1 children)

Is the small one that small though. I mean its still like the inner planets size.

[–] Carrolade 3 points 1 week ago

Yeah, these two specifically are huge and huger. lol