Credit: NASA, ESA, the Hubble Heritage Team (STScI/AURA) and R. Khan (GSFC and ORAU)

Hubble view of M83 -- the only galaxy known to host two potential "Eta twins." Its high rate of star formation increases the chances of finding massive stars that have recently undergone an Eta Carinae-like outburst. Bottom: Hubble data showing the locations of M83's Eta twins.