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Kelvin Mugambi

Kelvin Karani is a computer science student at Strathmore University in Nairobi. In his spare time, he studies and writes about the Earth, atmosphere, and outer space. His hobbies include cooking, exercise, motoring, and sports.

Where did the universe come from?

An artist's rendition of the Big Bang. (Smithsonian Magazine)

Numerous mythology and scientific hypotheses have attempted to explain the beginnings of the universe throughout history. The most widely accepted theory is the Big Bang theory—a colossal explosion that ushered the universe into existence. Join me to discover how the universe expanded from the size of an atom to include …

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