minus-squarementuri@mander.xyztoAstronomy@mander.xyz•Zooming Black Holes Can Reach ~10% The Speed of Light, Scientists Saylinkfedilinkarrow-up4·1 year agoProbably relative to the CMB (the frame of reference where there is no redshift or blueshift bias in any direction). linkfedilink
Probably relative to the CMB (the frame of reference where there is no redshift or blueshift bias in any direction).