galaxy groups
nounUK /ˈɡæləksi ɡruːps/
US /ˈɡæləksi ɡruːps/
Galaxy groups are small bunches of galaxies that stay close together in space.
Our Milky Way belongs to a galaxy group called the Local Group.
OTHER MEANINGS
2. A few galaxies that are gravitationally bound and contain fewer members than a galaxy cluster.
Astronomers studied several galaxy groups to understand how galaxies interact.
3. In astronomy, a grouping of galaxies used as a unit for studying large-scale structure.
The survey mapped thousands of galaxy groups across the sky.
4. A term sometimes used loosely for any small set of galaxies seen near each other.
The telescope image showed a loose galaxy group in the distant sky.