this post was submitted on 03 Jul 2024
741 points (97.9% liked)

Science Memes

10923 readers
2719 users here now

Welcome to c/science_memes @ Mander.xyz!

A place for majestic STEMLORD peacocking, as well as memes about the realities of working in a lab.



Rules

  1. Don't throw mud. Behave like an intellectual and remember the human.
  2. Keep it rooted (on topic).
  3. No spam.
  4. Infographics welcome, get schooled.

This is a science community. We use the Dawkins definition of meme.



Research Committee

Other Mander Communities

Science and Research

Biology and Life Sciences

Physical Sciences

Humanities and Social Sciences

Practical and Applied Sciences

Memes

Miscellaneous

founded 2 years ago
MODERATORS
 
you are viewing a single comment's thread
view the rest of the comments
[–] ZMoney@lemmy.world 65 points 4 months ago (3 children)

A schwarschild radius of 0.5 meters corresponds to about 56 Earth masses. So Richard must have accreted a bunch of mass before he collapsed.

[–] kuberoot@discuss.tchncs.de 12 points 4 months ago

Or maybe he accreted the mass after collapsing?

Alternatively, maybe that's just the weight of his massive ego?

[–] Holzkohlen@feddit.de 10 points 4 months ago (2 children)

Your mom is so fat, were she to collapse into a black hole her schwarzchild radius would be 0.5 meters. Does not quite roll of the tongue, does it?

[–] pantyhosewimp@lemmynsfw.com 10 points 4 months ago

I’ll bet Eminem could find a way

[–] Tlaloc_Temporal@lemmy.ca 1 points 4 months ago

Your mom's schwarzchild radius is nearly as big as she is!

[–] pantyhosewimp@lemmynsfw.com 6 points 4 months ago (1 children)

Since you know the math, how long before it evaporated? Also, at what distance would an object feel 1G of acceleration?

[–] sinkingship@mander.xyz 1 points 4 months ago* (last edited 4 months ago) (1 children)

Not OP. What would evaporate?

I think we don't know anymore what's going on with Richard. I believe he would consume Earth almost instantly, including all satellites and maybe the moon.

Didn't do the math myself, but internet says 1 G would be at about 48 km radius.

[–] TauZero@mander.xyz 6 points 4 months ago (1 children)

For an object heavier than the Earth, 1g radius will be greater than the radius of Earth. For 56 Earth masses that's sqrt(56) times bigger = 48000km.

A 56 Earth mass black hole will take 5.5e55 years to evaporate according to this calculator. A 100kg black hole (more close to what Richard used to be) is much smaller than the nucleus of an atom and will evaporate in 0.05 nanoseconds.

Curiously there was a paper recently that calculated that even if there was a small black hole in the center of the Sun, it would take millions of years for it to grow, because the aperture is so small not much can fit through, and the infalling gas heats up so much as to repel the rest, creating an internal hot bubble.

[–] sinkingship@mander.xyz 1 points 4 months ago (1 children)

I am fairly sure Earth's radius is somewhat 6 km, so something with an 48 km radius would be 42 km above Earth's surface, where we experience 1 G.

Can you explain please, where I made a mistake?

[–] TauZero@mander.xyz 2 points 4 months ago (1 children)

Can you explain please, where I made a mistake?

Your mistake is thinking Earth is 6km in radius! :D 6km is how far you walk in an hour. Either you think Earth 1000 times too small or kilometer 1000 times too big.

[–] sinkingship@mander.xyz 3 points 4 months ago

😁 whooopsie! Haha. Yeah, it's somewhat 6000 km I mean. Sorry for my stupidity here today... Thank you very much for explaining my dumb mistake instead of making fun! Time to sleep now, I guess. Thank you!