Posts Tagged ‘binary system’

The Remains of a Sun-like Star: The Necklace Nebula

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).

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