The Milky Way --"A Living, Dynamic Museum of Ancient Merging Relics, River-like Streams of Stars"
The Milky Way is a dynamic museum of ancient merging relics, river-like streams of stars stripped from dwarf satellite galaxies that flow through the galaxy revealing its history and structure that allow astronomers to better understand how galaxies in the universe have formed and evolved. Remnants of Dwarf Satellite Galaxies “Stellar streams are the remnants of dwarf satellite galaxies that are swallowed by the Milky Way, but have not been fully digested,” said Zhao Gang from National...
Zhao Gang Jake Burba Chen Xiaodian Macquarie University Sloan Digital Sky Chinese Academy Of Sciences
Source: dailygalaxy.com