Meet the astrophysicist who found Nyx, a new family of stars beyond the Milky Way

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…

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