The Big Bang theory has been the subject of intense debate and scrutiny since its inception. Over the years, scientists have explored various models and theories that offer different perspectives and explanations on the origins of the universe. Some of the synonyms for the term "Big Bang models" include cosmic inflation theory, steady-state theory, and cyclic models. Cosmic inflation theory proposes that the universe underwent an explosive expansion in its early stages, which caused the rapid expansion and homogenization of the universe's matter. Steady-state theory posits that the universe always existed in its present form, while cyclic models suggest the universe undergoes periodic expansions and contractions. Regardless of the model we choose to accept, the Big Bang theory remains one of the most influential and widely studied concepts in modern science.