Tuesday, 8 December 2015

How today's universe formed?

It's the story of 13.7 billion years ago. The whole universe once was condensed in a dot. The density and the temperature of the dot was so high that it exploded. All things in it spread in a hundredth of a billionth of a trillionth of a trillionth of a second. The dot doubled for 90 times during this tiny time. Then it was cooling a bit for 3 minutes when the neutrons and protons formed. First 380000 years was the time when with the formation of electrons light elements (as the temperature was very high till then all elements were gases) formed through joining of neutrons, protons and electrons. After 400 billion years of this explosion clumps of gases condensed to stars. This formation of stars continued to make a galaxy. Such galaxies together made a Super-Cluster and Super-Clusters joined to form today's universe.

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