A new map reveals the outskirts of the Milky Way galaxy, including a wave of stars disturbed by a small galaxy on a collision course with our own.
원문출처 : https://www.cnn.com/2021/04/25/world/milky-way-galactic-halo-map-scn/index.html
원문출처 : https://www.cnn.com/2021/04/25/world/milky-way-galactic-halo-map-scn/index.html