A protogalaxy in the Milky Way may be our galaxy’s original nucleus
September 21, 2022
Millions of ancient stars spanning about 18,000 light-years at the Milky Way’s heart are the kernel around which the galaxy grew, researchers say. Read more
Reading level: College
Please Give Us Feedback!
Explore Our Science Videos
Build a Submarine -STEM activity
Ball Launcher: 2018 Fluor Engineering Challenge