field galaxy


Also found in: Wikipedia.

field galaxy

Any galaxy that is not a member of a cluster of galaxies. Field galaxies are rare: the ratio of field galaxies to cluster galaxies is extremely uncertain, estimates ranging from 1:6 to essentially zero.

field galaxy

[′fēld ‚gal·ik·sē]
(astronomy)
An isolated galaxy that does not belong to a cluster.
References in periodicals archive ?
It's a field galaxy, meaning that it doesn't belong to any cluster.
Email your answer - marking the subject field Galaxy S4 Comp - to sport@people.
The sloan digital sky survey (sdss) and the Two-Degree Field Galaxy Redshift Survey (2dFGRS) both have mapped hundreds of thousands of galaxies across enormous volumes of space.
But now all these earlier surveys have been eclipsed by the Two Degree Field Galaxy Redshift Survey (2dFGRS).