Have you ever thought that how Moons, Planets, stars, galaxies and even you come in existence? Well, around 13 to 14 billion years ago, an explosion happened.
It was not an ordinary explosion. Before this explosion, there was a thing which was smaller than the atom and it was very hot and dense. Only this thing was there before the explosion. Scientists are still finding out what is the name of that smallest thing before the explosion and this explosion which happened around 13 to 14 billion years ago is known as The Big Bang Explosion. The speed of this is so much insane that it was faster than the speed of light and the temperature of the explosion was around 10 billion Fahrenheit. If this explosion not happened than life won't come into existence. But who discovered The Big Bang Theory? So, A Belgian priest named Georges Lemaitre had discovered the Big Bang theory in the 1920s. After this explosion, the universe is expanding and expanding and because of that dark energy is forming and day by day galaxies are going further from us.
Did you know? The light was not shining after the big bang explosion. The light shines after 380,000 years after the Big Bang explosion and it was discovered by Ralph Alpher in 1998. This theory is also known as cosmic wave theory. Some people have misconceptions about the size of that thing which was there before the big bang explosion, people compare this thing to the daily life things because they don't know the exact size of the thing. What do you think about what misconception is there (except which I told)?
By: Ansh Srivastava
School: Delhi Public School, GBN
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