The Big Bang Theory is the leading scientific explanation for how the universe began and evolved.
It specifically describes the origin of the universe. The theory posits that the universe started as an extremely hot, dense point that expanded rapidly about 13.8 billion years ago.
Key points include:
Therefore, the 'Big Bang Theory' is fundamentally about the origin of the universe.
A huge collection of gas, dust and billions of stars is called a:
The Greenwich Mean Time is the local time at :
The force exerted by rotation of the earth is known as:
How many hours is one solar day
Moon changes its shape everyday due to: