The massive black hole in M33 X-7 is hidden in the X-ray bright center of the pancake-like accretion disk of matter. The black-hole’s hot (blue) and massive star companion is losing mass in a wind that gets pulled and captured by the black hole. Learn more.
Credit: NU Viz and CIERA: Matthew McCrory, Francesca Valsecchi, and Vicky Kalogera