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How universe is born?
The Big Bang Theory is a scientific explanation for the beginning of the universe. It proposes that about 13.8 billion years ago, all matter and energy in the universe was contained in a single point of infinite density and temperature. This point suddenly expanded, creating the universe and everything in it. This expansion is still ongoing today.
The universe was formed through the process of the Big Bang. As mentioned before, all matter and energy were contained in a single point, known as a singularity, which suddenly expanded, creating the universe. The expansion of the universe also led to the formation of galaxies, stars, and planets.
One of the main pieces of evidence for the Big Bang Theory is the observation of the cosmic microwave background radiation. This is a faint glow of energy that permeates the entire universe and is thought to be leftover radiation from the initial expansion of the universe. Other evidence includes the observed expansion of the universe, the abundance of light elements, and the large-scale structure of the universe.
The Big Bang Theory does not provide an explanation for what happened before the expansion of the universe. It is currently unknown if there was anything before the Big Bang or if time and space as we know it existed before the universe was created.
The Big Bang Theory does not directly address the creation of life in the universe. It explains the beginning of the universe and the formation of galaxies, stars, and planets. The origin of life on Earth is a separate scientific question that is still being studied and explored.