or Coal Sack
[ kohl-sak ]
/ ˈkoʊlˌsæk /
a dark nebula in the southern constellation Crux, whose dust particles obscure light from Milky Way stars behind it.
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Meet The Animal That Inspired The Letter AThere is quite a bit of mystery surrounding the letter A. From its prestigious first place position to its interesting shape, tracing the first letter of the English alphabet uncovers a history that begins with, of all things, an ox. Where does the letter A come from? The letter A is derived from the Phoenician letter aleph—a western Semitic word referring to the aforementioned beast of burden. Aleph …
Origin of Coalsack
Also called Southern Coalsack.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a dark nebula in the Milky Way close to the Southern Cross
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