Stellar stream

A stellar stream is a group of stars orbiting a galaxy. Stellar streams can used to be a globular cluster or a dwarf galaxy that has now been ripped apart by the tidal force.

Recent stellar streams are being studied by the Southern Stellar Stream Spectropic Survey using the Anglo-Australian Telescope (2022)

The Milky Way does have stellar streams. It's largest stellar stream is the Magellanic Stream with Sagittarius Stream at 1 million light-years in length. Other galaxies do have stellar streams as well. Like the NGC 5128 galaxy, It's stellar stream is called "Young Blue Tidal Stream". Its origins is likeley a gas fragment or a dwarf galaxy collided with NGC 5128.