Friday 17 July 2020
The Milky Way contains hundreds of millions of stars, but not all of them are native to our galaxy. Astronomers have now found stars in our home galaxy that formed outside our family of stars. Nyx, a cluster of roughly 250 stars recently discovered within our galaxy, display velocities showing they originated outside our galaxy. This stellar stream likely arrived as part of a dwarf galaxy that merged with the Milky Way long ago. As the cluster approached the Milky Way, this family of stars was stretched out by gravity from our galaxy, pulling the cluster like taffy. The world…
This story continues at The Next Web
