KellyTheET t1_iv53ls6 wrote on November 5, 2022 at 11:19 AM Reply to comment by f_d in Closest known black hole to Earth spotted by astronomers by lunarmoonr Is there a way to detect movement of a black hole? I understand we use the redshift/blueshift of the light emitted by an object to gage their direction, but what if it doesn't emit light? Permalink Parent 1
KellyTheET t1_iv53ls6 wrote
Reply to comment by f_d in Closest known black hole to Earth spotted by astronomers by lunarmoonr
Is there a way to detect movement of a black hole? I understand we use the redshift/blueshift of the light emitted by an object to gage their direction, but what if it doesn't emit light?