Question

What is the sun made of (by mass)?

a. 50 percent hydrogen, 25 percent helium, 25 percent other elements
b. 70 percent hydrogen, 28 percent helium, 2 percent other elements
c. 90 percent dark matter, 10 percent ordinary matter
d. 100 percent hydrogen and helium?

Answer 1

B. 70 percent hydrogen, 28 percent helium, 2 percent other elements