Encyclopedia

low-surface-brightness galaxy

Also found in: Wikipedia.

low-surface-brightness galaxy

[‚lō ′sər·fəs ‚brīt·nəs ‚gal·ik·sē]
(astronomy)
A galaxy whose spatial density of stars is so low that it is almost invisible.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
Mentioned in
References in periodicals archive
TRANSPARENCY TEST Despite how they look in photos (left), the star cluster NGC 6939 in Cepheus is easier to see in the eyepiece than the face-on, low-surface-brightness galaxy NGC 6946.
In praise of the great dark North: if you dismiss your northward view as the sky's dullest quarter, your're missing out
For a good view of this large, low-surface-brightness galaxy, be sure to center it in your field of view.
Northern nights
It's easy to assume that, sharing the same high-power field with M57, IC 1296 would be well known, but I've pointed it out to several experienced observers who were unaware of this small, low-surface-brightness galaxy. The oversight is understandable, since the legendary deep-sky explorers William Herschel and his son, John, missed it.
Celestial odd couples
Copyright © 2003-2025 Farlex, Inc Disclaimer
All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.