Posts Tagged ‘binary system’

The Necklace Nebula

If our sun had a large binary companion, what would it’s remains look like?  Quite possibly the Necklace Nebula.  This planetary nebula, which contains the remnants of a sun-like star, was recently discovered in 2005 during the Isaac Newton Telescope Photometric H-alpha Survey (IPHAS).

Read the rest of this entry >>