local group of galaxies


Also found in: Acronyms, Encyclopedia, Wikipedia.
Related to local group of galaxies: Local Cluster

local group of galaxies

A cluster of more than 24 galaxies, including our Milky Way. Andromeda is the largest galaxy.
References in periodicals archive ?
M33 is only about half the size of the Milky Way Galaxy, making it the third largest member of our Local Group of galaxies. The Andromeda Galaxy, another easily observable night-sky object, is the largest, followed by the Milky Way.
You wander through the cosmos at breakneck speed--at 66,000 miles per hour around your star, at 487,000 miles per hour around the Milky Way's centre and, together with the Milky Way, at 536,000 miles per hour around the local group of galaxies. Yet, oddly enough, the living creatures you carry aboard have a mystifying impression of stillness.
Caption: ALL AROUND US Several cosmic structures determine the motion of our galaxy, and indeed of the whole Local Group of galaxies, through space.
This disrupted galaxy, named M32p, was the third-largest member of the Local Group of galaxies, after the Milky Way and Andromeda galaxies.
The Milky Way has several satellite galaxies and is part of the Local Group of galaxies, which is a component of the Virgo Supercluster, which is itself a component of the Laniakea Supercluster.
This galaxy is known as Bode's, or the Cigar Galaxy (Messier 81), and forms part of a local group of galaxies relatively near to the Milky Way but it is still just less than 12million light years away.
Leo I is part of our local group of galaxies, and is about 820,000 light years distant.
The two galaxies, about 2.6 and 3 million light-years, respectively, from Earth, are members of the Local Group of galaxies that includes our own Milky Way and about 30 others.
In a universe that never sits still, other galaxies orbit ours, and the Milky Way is on the move, too; our so-called Local Group of galaxies orbits its gravitational center, and also casts gravitational glances out to other galactic clusters.
The possible existence of dark energy and its effects on the accelerated expansion of the universe has been narrowed down to the Local Group of galaxies.
It's one of the largest star clouds in our local group of galaxies, and astronomically speaking it's also quite youthful--a mere 20 million years of age.
The two Magellanic Clouds are irregular dwarf galaxies that are members of our Local Group of galaxies.
Full browser ?