Zooming Black Holes Can Reach ~10% The Speed of Light, Scientists Say
https://www.sciencealert.com/zooming-black-holes-can-reach-10-the-speed-of-light-scientists-say
https://www.sciencealert.com/zooming-black-holes-can-reach-10-the-speed-of-light-scientists-say
11 Comments
mookulator@mander.xyz · 4 pts · 3y
Relative to what exactly?
menturi@mander.xyz · 3 pts · 3y
Probably relative to the CMB (the frame of reference where there is no redshift or blueshift bias in any direction).
mookulator@mander.xyz · 2 pts · 3y
Thank you! At that scale the simpler answers just don’t feel sufficient
teft@startrek.website · 2 pts · 3y
Relative to their point of origin.
dudinax@programming.dev · 2 pts · 3y
At that speed, relative to most nearby large object
mookulator@mander.xyz · 2 pts · 3y
But what if all nearby objects are moving towards it at a similar speed? Or away? At such a large scale speed becomes a mind bending thing.
dudinax@programming.dev · 1 pts · 3y
No other large object will be moving close to that speed so it'll be almost like they are standing still.
Ashyr@sh.itjust.works · 4 pts · 3y
What would cause them to move so quickly?
teft@startrek.website · 6 pts · 3y
Colliding with another black hole.
NegativeInf@lemmy.world · 4 pts · 3y
Multibody Black Hole Slingshot
Manifish_Destiny@lemmy.world · 3 pts · 3y
Light up shoes