Menu

Blog

Sep 29, 2022

Our galaxy is rippling thanks to a mysterious force — we might finally know what it is

Posted by in category: space

An analysis of over 20 million stars shed new light on our galaxy’s cannibalistic past.

A nearby mini-galaxy, the Sagittarius dwarf galaxy, slowly crashed through the Milky Way and ripped stars out of their regular orbits on more than one occasion, according to a new paper in the Royal Astronomical Society.

Their analysis shed new light on the galaxy’s violent past — one in which galaxies tear into each other, shifting their structures for eons to come.


Alex-mit/iStock.

Researchers used data from the European Space Agency’s Gaia space observatory to compare the movements of over 20 million stars located throughout our galaxy, as per a LiveScience report.

Leave a reply