Question

2) Choose the correct statement : a) Universe gradually cooled and continued to expand b) Universe suddenly cooled, expanded and became stable c) Universe gradually warmed and continued to expand d) Universe gradually cooled and continued to contract​

Answer 1

Answer:

a) Universe gradually cooled and continued to expand

Explanation:

Since the Big Bang, the universe has been expanding and, as it expands, it's cooling. The point of the Big Bang is described as an infinitely hot and dense singularity. The energy from the Big Bang spreads out as the universe expands, which gives us the cooling effect.

Answer 2

From the given question correct option is a

Universe gradually cooled and continued to expand.

• Nuclear force, Magnetism, Centrifugal force, Gravitation​, are the Four fundamental forces.

• These forces are separated after Big Bang.  

• It says the universe started with an infinitely hot and dense single point that inflated and stretched.

• This theory is the prevailing cosmological model explaining the existence of the observable universe earlier called periods.

• The energy from the Big Bang spreads out as the universe expands, which gives us the cooling effect.