DigiNepal
Milky Way's disk grew 'upside down,' with younger stars forming in ever-thinner layers
Milky Way's disk grew 'upside down,' with younger stars forming in ever-thinner layers
The Milky Way is home to hundreds of billions of stars arranged in a glorious spiral pattern. But beyond the obvious spiral, our galaxy has other physical characteristics. It's divided into a galactic bulge, a galactic disk and a galactic halo.