From Wikipedia: "Omega Centauri ( NGC 5139, or Caldwell 80) is a globular cluster in the constellation of Centaurus that was first identified as a non-stellar object by Edmond Halley in...
Nearly 1,300 light years from Earth, in the southern constellation of Carina, the open star cluster NGC 2516 shines from the light of thousands of stars.
Stars forming a halo around ...