Satellite galaxy

A satellite galaxy is a smaller galaxy, typically a dwarf, that is gravitationally bound and orbits a larger host galaxy. These companion galaxies may eventually be tidally disrupted or merge with their hosts, and often contain between a few thousand and a few billion stars.

Source: esa.int

APODs including "Satellite galaxy"

Young Star Cluster NGC 346

02/05/2025

The Twisted Disk of NGC 4753

31/12/2024

Spiral Galaxy NGC 6744

01/11/2024

NGC 602: Stars Versus Pillars from Webb

29/10/2024

The Large Magellanic Cloud Galaxy

02/10/2024

Stellar Streams in the Local Universe

27/09/2024

M83: Star Streams and a Thousand Rubies

03/07/2024

NGC 602: Oyster Star Cluster

02/07/2024

Portrait of NGC 1055

15/03/2024

The Tarantula Zone

08/03/2024

The Tarantula Nebula from SuperBIT

27/04/2023

NGC 2419: Intergalactic Wanderer

13/04/2023