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Gum Nebula

British  

noun

  1. astronomy a large, almost circular, emission nebula in the constellation Vela and Puppis. Thought to be the remains of a supernova explosion 1 million years ago, it is estimated to lie 1300 light years away

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of Gum Nebula

C20: discovered by C. S. Gum (1924–60), Australian astronomer

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It includes the hydrogen clouds of the Gum Nebula - the red blob near the centre - as well as a band of the Milky Way.

From BBC

Known as the Gum Nebula, the cloud has been attracting more than usual attention among astronomers.

From Time Magazine Archive

Both the Gum Nebula and pulsar are remnants of a relatively rare heavenly event: a supernova, the cataclysmic explosion of a massive dying star.

From Time Magazine Archive

One of the closest to be detected is in the Gum nebula, which is in the constellation Vela and only 1,500 light years away.

From Time Magazine Archive

They asked archaeologists to be on the lookout, especially in the Southern hemisphere�where the Gum nebula can be best observed�for any unidentified ancient symbols that might have been painted or carved to represent the supernova.

From Time Magazine Archive