The Milky Way Flipped its Disk Billions of Years Ago
The Milky Way has two disks, the thin disk where most of the stars dwell, and the thick disk, populated by much older stars. The ESA’s Gaia mission showed us…
The Milky Way has two disks, the thin disk where most of the stars dwell, and the thick disk, populated by much older stars. The ESA’s Gaia mission showed us…