There are a number of Vedic scriptures and stories , which depicts the details of every thing in the universe. Srimad Bagvata and Bramhanda Purana are the one which describes the creation, shape & details of the universe and objects in them.
As being born in India, we have always known the mythological stories and we do love to hear & see them on tv, serials and movies. But, we never accept it completely because we do trust more on scientists nowadays than our ancient Scriptures. We blindly trust on any news given in the name of science of scientist blindly , who not even able to understand soul which has been understood by our ancient riches thousands of years before and which they mentioned in many ancient scriptures.
We do hear the famous story of Rahu & Ketu in our mythology but we never do accept them in real life. While reading astrology, before doing any auspicious work, we do see if its rahu/ketu kaal but when it comes with textbooks, we says they don’t exists? Because our science or those who teaches us this science don’t show them…
So go through this video link to know , Whether they exists….