1) Black area in the Milky Way
Found on
https://www.crosswordclues.com/clue/coalsack
• (n.) Any one of the spaces in the Milky Way which are very black, owing to the nearly complete absence of stars; esp., the large space near the Southern Cross sometimes called the Black Magellanic Cloud.
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http://thinkexist.com/dictionary/meaning/coalsack/
a dark nebula in the Crux constellation (Southern Cross). Easily visible against a starry background, it is perhaps the most conspicuous dark ... [1 related articles]
Found on
http://www.britannica.com/eb/a-z/c/101
Also known as the Coalsack Dark Nebula, the finest example of a dark nebula in the sky. It lies in the southern constellation Crux, in the galactic plane, about 550 light-years away, and is readily visible to the naked eye against the background of the Milky Way (position: R.A. 12h 50m, Dec. -62°...
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http://www.daviddarling.info/encyclopedia/C/Coalsack.html
Coal'sack` noun [
Coal + 2d
sack .]
(Astron.) Any one of the spaces in the Milky Way which are very black, owing to the nearly complete absence of stars; esp., the large space near the Southern Cross sometimes called the
Black Magellanic Cloud .
Found on
http://www.encyclo.co.uk/webster/C/99
a dark nebula in the southern constellation Crux, whose dust particles obscure light from Milky Way stars behind it. Also called
Found on
https://www.infoplease.com/dictionary/coalsack
No exact match found.
