HUBBLE ATLAS
Nighttime Sky View of Future Galaxy Merger: 2 Billion Years (M31, NGC 224, Andromeda Galaxy) — image from the Hubble Space Telescope

Galaxies

Nighttime Sky View of Future Galaxy Merger: 2 Billion Years

May 31, 2012 · NASA · M31, NGC 224, Andromeda Galaxy

Zoom to full resolution See where it is in the 3D sky Original on NASA ↗

The disk of the approaching Andromeda galaxy is noticeably larger.