Big Bang
Big Bang is the most widely accepted scientific theory about the origin of the universe. It suggests that the universe began as a single point and then expanded rapidly in a massive explosion, around 13.8 billion years ago. This explosion created all the matter and energy that make up the universe today. In space and astronautical engineering, the Big Bang theory is important because it provides a framework for understanding the evolution of the universe and the formation of galaxies, stars, and planets. It also helps scientists to study the cosmic microwave background radiation, which is the afterglow of the Big Bang. By analyzing this radiation, scientists can learn more about the early universe and its properties.
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