Hayat Ashraf

The Big Bang Theory is the prevailing scientific explanation for the origin and evolution of the universe. According to this theory, the universe originated from a highly dense and hot state, often referred to as a singularity, approximately 13.8 billion years ago. Here are key concepts related to the Big Bang Theory and singularity: 1. Singularity: The term singularity refers to a state of infinite density and temperature that is thought to have existed at the very beginning of the universe. It represents a point where the known laws of physics break down, and our understanding of the universe becomes limited. The singularity is characterized by extreme conditions, such as infinite energy and curvature. 2. Expansion of the Universe: The Big Bang Theory states that the universe began with a rapid expansion known as cosmic inflation. This expansion continues to this day, as evidenced by the observation that galaxies are moving away from each other. The expansion of space itself is respo...