Unraveling the Mystery of the Milky Way’s Satellite Galaxies

The Milky Way Galaxy over the ocean.

Astronomers have solved an outstanding problem that challenged our understanding of how the Universe evolved. (Image: via Troy Oakes Photography)

Confirmed Collision Between 2 Milky Way Satellite Galaxies

A collision between two Milky Way satellite galaxies.

Together with an international team, Oey and undergraduate researcher Johnny Dorigo Jones were examining the SMC for 'runaway' stars, or stars that have been ejected from clusters within the SMC. (Image: Davide De Martin via ESA / Hubble)