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V404 Cygni: Huge rings around a black hole – Phys.org
This image features a spectacular set of rings around a black hole, captured using NASA’s Chandra X-ray Observatory and Neil…

This image features a spectacular set of rings around a black hole, captured using NASA’s Chandra X-ray Observatory and Neil Gehrels Swift Observatory. The X-ray images of the giant rings reveal information about dust located in our galaxy, using a similar…
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