barred spiral galaxies

  • Astronomers Found a ‘Benjamin Button’ Galaxy

    Astronomers Found a ‘Benjamin Button’ Galaxy

    At 1.2 billion years young, the galaxy ALESS 073.1 should have the chaotic look of a youthful galaxy — a fledging, diffuse group of stars and gas suspended in the early universe. Instead, this primordial starburst galaxy has a central bulge and rotating belt that makes it look billions of years older. This odd corner…