GENERAL KNOWLEDGE

GK

THE UNIVERSE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What elements make up most of the sun’s mass?
A
carbon and oxygen
B
carbon and hydrogen
C
helium and nitrogen
D
hydrogen and helium
Explanation: 

Detailed explanation-1: -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. Various metals make up less than 0.1% of the mass of the sun.

Detailed explanation-2: -The Sun, like others stars, is a ball of gas. In terms of the number of atoms, it is made of 91.0% hydrogen and 8.9% helium. By mass, the Sun is about 70.6% hydrogen and 27.4% helium. The Sun’s enormous mass is held together by gravitational attraction, producing immense pressure and temperature at its core.

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