Black holes
The Galaxy NGC 4450 is Host to a Supermassive Black Hole
June 5, 2000 · ESA/Hubble · Coma Berenices
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The nearby spiral galaxy NGC 4450 is one of the galaxies in which Hans-Walter Rix and collaborators have identified a supermassive black hole . The picture reveals nothing unusual in the galaxy centre. Yet, the group of astronomers have measured wildly rotating gas in a disk around the centre of the galaxy with the STIS instrument onboard Hubble.