A supermassive black hole in galaxy SDSS1335+0728 has lit up, possibly giving astronomers a look at how such beasts are awakened.M. KORNMESSER/ESOFor the last four years, astronomers have observed the supermassive black hole at the center of SDSS1335+0728 undergo a transformation from a dim and inactive state to a bright and active one.This...
The ultra-faint Milky Way companion galaxy Leo I appears as a faint patch to the right of the bright star, Regulus. Credit: Scott Anttila Anttler2 astrophysicists at the Harvard-Smithsonian Center for Astrophysics have proposed a method to see what could be the second-closest supermassive black hole to Planet: a behemoth three million times the...
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