Milky Way: Our galaxy had a sizable fraction of its stars when it hit another 10BILLION years ago
Dating the stars: Milky Way had already formed a ‘significant fraction’ of its stars by the time it collided with the ‘Gaia Sausage’ galaxy 10BILLION years ago, study finds Experts from the Ohio State University dated 100 red giant stars in the Milky Way They did this by combining data from chemical and asteroseismological studies … Read more