March 3 (UPI) -- Hubble released a new image this week showcasing the galaxy UGC 12591. The galaxy is noted for its massive size and unusual structure.
UGC 12591 is a hybrid galaxy, combining the characteristics of both lenticular and spiral galaxies. The hybrid is four times more massive than the Milky Way. The galaxy's massive spirals are rotating at extreme speeds, in excess of 1 million miles per hour.