Sorting Task: Disk and Halo Stars:
Each item below belongs either with the population of disk stars or the population of halo stars of the Milky Way Galaxy. Match each item to the appropriate population.
Disk Stars (Yellow): Youngest stars, the sun, stars that all orbit in nearly the same plane, high-mass stars
Halo Stars (Green): Oldest stars, globular clusters, stars whose orbit can be inclined at any angle, stars with the smallest abundance of heavy elements