Bok globule

[bok]

noun Astronomy.

a dense spherical cloud of gas and dust in interstellar space that absorbs light from stars.

Origin of Bok globule

1975–80; after Bart J. Bok (born 1906), American astronomer
Also called globule.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019