this post was submitted on 22 Aug 2023
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Astronomy

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Zooming Black Holes Can Reach ~10% The Speed of Light, Scientists Say (www.sciencealert.com)
submitted 1 year ago by teft@startrek.website to c/astronomy@mander.xyz
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[–] mookulator@mander.xyz 4 points 1 year ago (6 children)

Relative to what exactly?

[–] menturi@mander.xyz 4 points 1 year ago (1 children)

Probably relative to the CMB (the frame of reference where there is no redshift or blueshift bias in any direction).

[–] mookulator@mander.xyz 2 points 1 year ago

Thank you! At that scale the simpler answers just don’t feel sufficient

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