Compared to our Sun, most stars in the halo are
A)young, red, and dim and have fewer heavy elements.
B)old, red, and dim and have many more heavy elements.
C)old, red, and dim and have fewer heavy elements.
D)young, blue, and bright and have many more heavy elements.
E)old, red, and bright and have fewer heavy elements.

Question

Quizplus · Accepted Answer

The halo stars are typically old, meaning they were formed early in the history of the universe. They are also red, which indicates they are cool and emit most of their light in the red portion of the spectrum. Additionally, they have fewer heavy elements than our Sun because they formed before the heavy elements were created and distributed by supernova explosions.

Compared to Our Sun, Most Stars in the Halo Are