Tag: dwarf galaxy of sagittarius
Milky Way: Gaia would have revealed fossil spiral arms!
Astronomers continue to analyze data collected by the Gaia astrometric mission concerning nearly two billion stars in the Milky Way. They revealed curious structures that could be the fossil remains…
Dwarf galaxies around the Milky Way shine a light on its complex past
On the sidelines of the Gaia mission, American researchers found, by studying the dwarf galaxies orbiting the Milky Way, that the majority of these galaxies had only recently arrived in…