Astronomers find atypically evolved galaxy with tightly packed dark matter at its core
Using data from NASA’s Chandra X-ray Observatory, UCI astronomers have identified a galaxy with an unexpectedly high amount of dark matter at its core. Descended from a family of galaxies called “red nuggets” that formed relatively soon after the Big Bang but were stalled in their growth about 10 billion years ago, Markarian 1216 has […]