satellite galaxy


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satellite galaxy

A small galaxy that closely orbits a massive galaxy and will eventually lose orbital energy through dynamical friction and fall into and merge with it. The Magellanic Clouds are satellites of our Galaxy. See also cannibalism.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006
References in periodicals archive ?
Scientists believe that it interacts with a satellite galaxy.
Caption: The oddly compact satellite galaxy M32 might be the remnant of a past merger.
This work might also solve a long-standing mystery: the formation of Andromeda's enigmatic M32 satellite galaxy, the scientists say.
Sitting in the Small Magellanic Cloud, a satellite galaxy of the Milky Way, HV 2112 is the first T ZO to be seen.
David Merritt, professor of astrophysics at Rochester Institute of Technology said that the co-orbiting satellite galaxy structures are still in conflict with the distribution of primordial dwarf galaxies.
"It was probably a supernova from the Andromeda galaxy (or galaxy M31) or from a satellite galaxy of M31", Tsangarides told CNA.
nasa.gov/apod/ap100911.html) show faint arcs of stars extending into the halo above the galactic plane, suggesting merger and disruption from a satellite galaxy some time in the past.
Large Magellanic Cloud (LMC) - The LMC is a satellite galaxy to the Milky Way.
"The satellite galaxy impacts don't destroy spiral galaxies.
A colorful emission nebula envelops the hot double star BAT99-49 in the Large Magellanic Cloud, a satellite galaxy of our Milky Way.
"It tells you almost surely this was originally a collected satellite galaxy."

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