Coalsack

American  

[kohl-sak] / ˈkoʊlˌsæk /

Or Coal Sack

noun

Astronomy.

1. a dark nebula in the southern constellation Crux, whose dust particles obscure light from Milky Way stars behind it.

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Etymology

Origin of Coalsack

First recorded in 1625–35; coal + sack ¹

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Example Sentences

See Examples For:

Coalsack

Just east of Crux lies what appears to be a hole in the sky—a dark region devoid of stars known as the Coalsack Nebula.

From National Geographic ● Aug. 23, 2023

Presently it would take off for Krim, Darth, and the Coalsack Stars, and if Hoddan was lucky he would be on it.

From The Pirates of Ersatz by Kelly Freas

But the Coalsack area was a space-mark good for half a sector of the galaxy.

From The Pirates of Ersatz by Kelly Freas

But one knew that it was going on to Lohala and Tralee and Famagusta and the Coalsack Stars.

From The Pirates of Ersatz by Kelly Freas

They had radio and radar twenty years ago, when Rock Morgan was here in the Coalsack.

From Space Viking by H. Beam Piper

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