Subscribe now

Space

The Milky Way has devoured 15 other galaxies since it formed

By Leah Crane

20 June 2018

New Scientist. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

Our galaxy is very hungry

NASA, ESA, SSC, CXC, and STScI

No galaxy is an island, and the Milky Way is no exception. After our galaxy began to form, it merged with about 15 other galaxies to build up what we see today.

A study of star clusters has identified three of them – two that are still in the process of being absorbed now, and a third bigger one that hadn’t been identified before, that has been nicknamed Kraken.

Globular clusters are dense groups of old stars that are found in most massive galaxies. The evolution of these clusters…

Sign up to our weekly newsletter

Receive a weekly dose of discovery in your inbox. We'll also keep you up to date with New Scientist events and special offers.

Sign up

To continue reading, subscribe today with our introductory offers

Popular articles

Trending New Scientist articles

Piano Exit Overlay Banner Mobile Piano Exit Overlay Banner Desktop