Gum Nebula

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

Word History and Origins

Origin of Gum Nebula¹

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