UNIVERSE .......THE ORIGIN OF ATOM There are thousands theory about. Criteria of universe. .... Let's know something about it... With the help of. Two different views.. 1st scientific.... And another one pauranic. That's by Indian culture By Big Bang Theory The evolution of universe At a particular instant roughly 15 billion years ago, all the matter and energy we can observe, concentrated in a region smaller than a dime, began to expand and cool at an incredibly rapid rate. By the time the temperature had dropped to 100 million times that of the sun’s core, the forces of nature assumed their present properties, and the elementary particles known as quarks roamed freely in a sea of energy. When the universe had expanded an additional 1,000 times, all the matter we can measure filled ...