Astronomers have discovered a new black hole in the nearby galaxy Messier 83, also known as M83, the Southern Pinwheel Galaxy or NGC 5236. Nearby spiral galaxy M83 and the MQ1 system with jets, as seen by the Hubble Space Telescope. The blue circle marks the position of the MQ1 system in the galaxy, shown inset. Credit: M83 – NASA / ESA / Hubble Heritage Team / WFC3 / UVIS / STScI-PRC14-04a; MQ1 inset – W. P. Blair, Johns Hopkins University...