this post was submitted on 10 Dec 2024

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Data is Beautiful

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110

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

submitted 3 months ago by [email protected] to c/[email protected]

18 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

top 18 comments

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[–] [email protected] 11 points 3 months ago (2 children)

Man, getting to explore the universe would be fucking cool

[–] [email protected] 16 points 3 months ago (2 children)

Cool, but only if you could somehow do it very quickly (which would violate the laws of physics) or had some sort of suspended animation system you repeatedly went into. Even the nearest star to us would take you well over 4 years to reach at the speed of light.

As for OJ 287, it would take you five billion years to get there. Longer than the Earth has existed.

[–] [email protected] 7 points 3 months ago

Or if we divorced ourselves from biological life!

[–] [email protected] 4 points 3 months ago (1 children)

You must be fun at parties.

[–] [email protected] 12 points 3 months ago (1 children)

I'm sorry you don't find data to be beautiful.

[–] [email protected] 4 points 3 months ago (1 children)

I found it very interesting!

[–] [email protected] 4 points 3 months ago

Thank you.

[–] [email protected] 5 points 3 months ago

Why do you think we all get wet over Trek!

[–] [email protected] 10 points 3 months ago

What does "size" mean in the context of a black hole? Is that the size of their event horizons?

[–] [email protected] 4 points 3 months ago

Now like, a very small purple ring with a huge yellow ring around it and the new tag is “ur mom lawl”

[–] [email protected] 3 points 3 months ago

I can only dream of making a purple ring that large, but the one I got is pretty nice too. 💎✊

[–] [email protected] 3 points 3 months ago (2 children)

And it's the small black holes that'll fuck you up. Once you're in that gravity well you're never getting out.

[–] [email protected] 2 points 3 months ago (1 children)

Don't larger black holes work the same way?

[–] [email protected] 3 points 3 months ago

Yeah. Technically you aren't screwed unless you are in an orbit that crosses the event horizon.

Although I wonder if the accretion disk produces enough drag that an orbit could eventually fall into the black hole.

Also, time gets funky when you get closer and closer to the black hole.

But in any case the behavior is the same. It's just a lot bigger.

[–] [email protected] 2 points 3 months ago

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.

[–] [email protected] 2 points 3 months ago (1 children)

Why does it say "Earth's Solar System" when the Solar System is clearly named after the Sun (i.e. the system of Sol)?

[–] [email protected] 4 points 3 months ago* (last edited 3 months ago) (1 children)

~~Solar system = sun system. Stars in other systems are still suns even if they aren’t called sol.~~ I am wrong see below

[–] [email protected] 2 points 3 months ago* (last edited 3 months ago)

Stars in other stellar systems are called stars. There's only one star in the universe named the Sun, and its system is the only Solar System in the universe. The same is true for solar wind (vs. stellar wind), solar mass, solar day, solar radius, etc. — all of these terms refer to Sol, a.k.a. the Sun.