• Astronomers spotted a galaxy dying after a major collision. It's bleeding out 10,000 suns' worth of gas each year

    10 days ago - By Business Insider

    An artist's impression shows galaxy ID2299 losing a tail of gas after being formed in a galactic collision.
    ESO/M. Kornmesser
    Astronomers can see a distant galaxy dying as it bleeds cold gas into space.
    Such gas is critical for forming stars. Galaxies die when they can no longer do so.
    This galaxy formed from a collision in which two galaxies merged into one. That left a "tail" that's shedding 10,000 suns' worth of gas each year.
    Visit Business Insider's homepage for more stories .
    For the first time, astronomers can clearly see a galaxy beginning to die. Nine billion light-years away...
    Read more ...