What is big bang english?

The term "Big Bang" refers to the scientific theory that explains the origins of the universe. According to this theory, the universe began as a singularity, a point of infinite density and temperature. About 13.8 billion years ago, this singularity began to rapidly expand and cool, creating matter, energy, and the space-time fabric of the universe as we know it. The Big Bang theory is supported by a wide range of observational and experimental evidence, including the cosmic microwave background radiation, the abundance of light elements, and the large scale structure of the universe. The term "Big Bang" was first coined in 1949 by astronomer Fred Hoyle, who meant it as a derogatory term for the theory, but it has since become the standard name for the theory. The study of the Big Bang and its consequences, such as cosmic inflation and cosmic evolution, is one of the most active and fruitful areas of modern physics and astronomy.