Ever wondered how everything in our whole universe started? Today, most astronomers and cosmologists believe that time, space and all the matter in our universe was created from the Big Bang, which is a gigantic explosion, which occurred about 13 billion years ago. This Big Bang started from a single unstable particle, which exploded and spread out and formed our universe.  

At the minutest fraction of a second straight after the Big Bang, space expanded very quickly at a rapid rate. This stage is known as inflation.

Following that, expansion slowed down and different particles including quarks and electrons made their appearance. Their particles are formed in the exact opposite way of a nuclear reaction. Instead of converting matter to energy, energy is converted into matter. This is known as the Quark Era.

Just one millionth of a second after the birth of the universe, these quarks fused together to form protons and electrons, which are, sub atomic particles.

After a hundred seconds or so, the protons, neutrons and electrons fused together in bunches consisting of two protons, neutrons and electrons and bunches of one proton and one electron forming helium and hydrogen respectively. These were the first two basic elements formed and they are the building blocks of all the matter in our universe and these formed our galaxies and stars.

The reason why so many scientists support this theory as the birth of our universe is because of critical evidence such as the discovery of the cosmic microwave background radiation, our universe is expanding and the abundance of helium and hydrogen in our universe which were the first two elements synthesized (formed) in the first 3 minutes of the Big Bang. Matter in our universe should be distributed homogeneously and if the universe began with the Big Bang, 25% of the mass in the universe should be helium.

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