Gaia reveals that most Milky Way companion galaxies are newcomers to our corner of space
Science

Gaia reveals that most Milky Way companion galaxies are newcomers to our corner of space

The Milky Way is surrounded by a number of dwarf galaxies. Most of the galaxies are named after the constellation in which they appear on the sky,
The Milky Way May Have Just Lost a Whole Bunch of Satellite Galaxies
Science

The Milky Way May Have Just Lost a Whole Bunch of Satellite Galaxies

The space around the stars is not empty. It's surrounded by small, faint, and low in mass dwarf galaxies with as few as 1,000 stars each. This is not