H-R diagram comparing ages of Milky Way and M31
Relying on the deepest visible-light images ever taken in space, astronomers using NASA's Hubble Space Telescope (HST) have reliably measured the age of the spherical halo of stars surrounding the neighboring Andromeda galaxy (M31).
Credit:About the Image
About the Object
| Name: | Andromeda Galaxy, Messier 31, Milky Way |
| Type: | Milky Way : Galaxy Local Universe : Galaxy : Type : Spiral |
| Category: | Galaxies Illustrations |
