1.6K views · 64 reactions | Galaxies Are Slowly Dying  When galaxies lose their gas, star formation stops. Over time, they fade into darkness, becoming cosmic ghosts. #DyingGalaxies #CosmicEvolution #Space galaxy death, star formation stop, universe evolution | Galaxies Uncharted | Facebook

Pan of Lenticular Galaxy NGC 4694 in Virgo | Hubble Space Telescope FriendsofNASA.org: Most galaxies we are familiar with fall into one of two easily-identified types. Spiral galaxies are young and energetic, filled with the gas needed to form new stars and sporting spiral arms hosting hot, bright stars. Elliptical galaxies have a much more pedestrian look, their light coming from a uniform population of older and redder stars. However, other galaxies require in-depth study to understand, such i