SOLAR SYSTEM

UNIVERSE

SOLAR SYSTEM FORMATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The percentage (by mass) of the Sun that is helium is about:
A
9%
B
27%
C
less than 1%
D
91%
E
71%
Explanation: 

Detailed explanation-1: -The Sun is a typical star, and is also the star that is nearest to the Earth. It is composed of a mixture of 73% hydrogen, 25% helium, and 2% other elements by weight.

Detailed explanation-2: -Roughly three-quarters of the Sun’s mass consists of hydrogen ( 73%); the rest is mostly helium ( 25%), with much smaller quantities of heavier elements, including oxygen, carbon, neon, and iron. The Sun is a G-type main-sequence star (G2V).

Detailed explanation-3: -Later, it was found on Earth. Sun is composed of 75 % of hydrogen and 26.5 % of Helium. Hydrogen is converted into the energy in core of sun.

Detailed explanation-4: -The sun is mostly composed of the elements hydrogen (H) and helium (He). By mass the composition of the sun is 92.1% hydrogen and 7.9% helium.

There is 1 question to complete.