Traveling deep into the core of M20 one encounters a stellar nursery where two exhaust jets arise from the dense gaseous cloud like antennae from a snail’s head. HST palette. See Hubb...
The Heart Nebula (IC 1805 or Sh2-190) is about 7500 light-years away and is located in the constellation Cassiopeia. It is an emission nebula that shows glowing ionized hydrogen gas and...