COALSACK

Proper noun

Coalsack

The dark nebula near the constellation of the Southern Cross.

Etymology

Noun

coalsack (plural coalsacks)

A sack for carrying coal.

(astronomy) Any of the spaces in the Milky Way which are very black, owing to the nearly complete absence of stars.

Source: Wiktionary


Coal"sack`, n. [Coal + 2d sack.] (Astron.)

Definition: 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.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

24 February 2025

ANOMALY

(noun) (astronomy) position of a planet as defined by its angular distance from its perihelion (as observed from the sun)


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