The Sun presently consists of about 25% helium. Where did this helium come from?
A)All of it was formed by hydrogen fusion in the Sun's core.
B)Some was formed by hydrogen fusion in the Sun's core, but most of it came from hydrogen fusion in previous generations of stars.
C)Virtually all of it was formed in supernova eruptions and then scattered through space, where it formed part of the gas and dust from which the Sun was formed.
D)A significant part was formed in the early universe before any stars formed.

Question

Quizplus · Accepted Answer

The Answer of The Sun presently consists of about 25% helium. Where did this helium come from?
A)All of it was formed by hydrogen fusion in the Sun's core.
B)Some was formed by hydrogen fusion in the Sun's core, but most of it came from hydrogen fusion in previous generations of stars.
C)Virtually all of it was formed in supernova eruptions and then scattered through space, where it formed part of the gas and dust from which the Sun was formed.
D)A significant part was formed in the early universe before any stars formed.

The Sun Presently Consists of About 25% Helium