“Astronomers Discover Dozens of Stellar Streams in the Milky Way”

In an article for earth.com, Yingtian Chen, a graduate student at the University of Michigan Department of Astronomy, discusses his study on stellar streams and how they help astronomers reconstruct the Milky Way’s past and understand the galaxy’s gravitational structure. He was interviewed in the article “Astronomers discover dozens of stellar streams in the Continue Reading »

Small, Faint and ‘Unexpected in a Lot of Different Ways’: U-M Astronomers Make Galactic Discovery

galaxy
A discovery made by a team led by researchers at the University of Michigan tugs at the seams of some key cosmic lessons we thought we had learned from our own galaxy. This dwarf galaxy, named Andromeda XXXV and located roughly 3 million light-years away, is forcing astronomers to rethink how galaxies evolve in different cosmic environments and survive different epochs of the universe.