the opposite of the big bang theory states that the universe has always existed with no beginning or end. this theory is called
The theory that suggests that the universe has always existed with no beginning or end is called the Steady State Theory.
The opposite of the Big Bang Theory, which posits that the universe started from a singular point in space and time, is called the Steady State Theory. According to the Steady State Theory, the universe has always existed and will continue to exist indefinitely, without a specific beginning or end. This theory, proposed in the 1940s by Hermann Bondi, Thomas Gold, and Fred Hoyle, suggests that new matter is continuously created to maintain a constant density as the universe expands. However, it is important to note that the Steady State Theory is not widely accepted in modern astrophysics and has been largely replaced by the Big Bang Theory, which has substantial observational evidence supporting it.
The theory you're referring to is known as the "Steady State Theory."
The Steady State Theory suggests that the universe has no beginning or end and has always existed in a constant, unchanging state, with matter being continuously created to maintain a constant density. This theory stands in contrast to the Big Bang Theory, which proposes that the universe originated from a singularity about 13.8 billion years ago and has been expanding ever since.
To obtain this information, you can conduct a simple internet search using keywords such as "opposite of Big Bang Theory" or "Steady State Theory." This will provide you with numerous reliable sources explaining the concept and the scientific debates surrounding it. Remember to evaluate the credibility of the sources you come across to ensure you are getting accurate information.