Supermassive black hole Milky Way
Milky Way than seen. A third issue is that the standard model predicts lots of massive dark matter clumps orbiting the Milky Way and these are so big they should have lots of stars in them but none is seen.
First Successful Test Of Einstein S General Relativity Near Supermassive Black Hole Update
The existence of an ultra-light.

. Artwork depicting the wind of gas blown out by the extremely hot disk of material around a supermassive black hole.
Milky Way Galaxy May Have Several Wandering Supermassive Black Holes Sci News Com
Supermassive Black Hole At Centre Of Milky Way Seen For First Time Space The Guardian