Ans-1) If sun was not this close to the earth, as it is now, we would not be able to receive the warmth we do now. Every day the sun provides earth with the light which is crucial to life and is required to see everything which our planet holds. The sun keeps earth warm every day. This is possible because the sun has been burning for more than 4.5 million years. It is a huge star which contains an enormous amount of gases; mostly hydrogen and helium, which are also used in the combustion process. Thus, providing evidence that ...