dark nebula
(redirected from Dark nebulas)Also found in: Encyclopedia.
Related to Dark nebulas: Reflection nebulae, Emission nebulae
dark nebula
n.
See absorption nebula.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
dark nebula
n
(Astronomy) a type of nebula that is observed by its blocking of radiation from other sources. See nebula
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014