BOSOM BUDDIES A pair of supermassive black holes might live in the heart of the galaxy Markarian 231, shown in this Hubble Space Telescope image.
A. Evans (Univ. of Virginia, Charlottesville; NRAO; Stony Brook Univ.), the Hubble Heritage Team/STScI/AURA, Hubble Collaboration/ESA and NASA
Seventeen dwarf galaxies (some marked above with red dots) have been found around the Milky Way this year, including eight recently announced. These satellites are often too faint for images, so astronomers use maps of star density (inset) instead.
Dark Energy Survey collaboration
VOTE EARLY, VOTE OFTEN Mnesileüs and Kashani are just two possible names for beta Geminorum b (left). Epsilon Eridani b (right) could be renamed Stafar31 or Sufijunior. Both worlds are illustrated in a screenshot from NameExoWorlds.