Galaxies

Andromeda

The approaching neighbor

The nearest large galaxy is closing at ~110 km/s; in about 4.5 billion years it will merge with the Milky Way.

Connected To

Curated graph

From the Classroom

Light Is a Time MachineDeep Space · Beginner · 2 min read

How We Measure the UniverseDeep Space · Intermediate · 2 min read

Why Is the Sky Dark at Night?First Steps · Beginner · 2 min read

Cite this entry

“Andromeda.” Everything Space, curated catalog. everythingspace.online/explore/andromeda. Retrieved 06 Aug 2026.