Belief in the Big Bang theory is not limited to atheists or individuals who have personally witnessed the event. The Big Bang theory is a scientific model based on a wide range of observational and theoretical evidence gathered by scientists over many decades. It is supported by various lines of evidence from cosmology, such as the observed expansion of the universe, the cosmic microwave background radiation, and the abundance of light elements.
Scientific understanding is built on the accumulation of evidence, testing of hypotheses, and the development of models that best explain the available data. Scientists employ rigorous methodologies, including observation, experimentation, and mathematical modeling, to arrive at well-supported scientific theories.
Accepting scientific theories like the Big Bang does not require personal observation or faith in the same way religious beliefs might. Instead, it is based on the weight of scientific evidence and the consensus of the scientific community, which continually scrutinizes and refines these theories based on new observations and discoveries.
It is also worth noting that the Big Bang theory was not developed to contradict or challenge religious beliefs. It is a scientific explanation for the early origins and subsequent development of the universe based on empirical evidence. Many religious individuals and organizations have reconciled their spiritual beliefs with scientific theories like the Big Bang, viewing them as descriptions of the physical processes and mechanisms through which the universe unfolded.
In summary, belief in the Big Bang is not a matter of blind faith or indoctrination but is grounded in scientific evidence and consensus. Scientists employ rigorous methods to investigate the nature of the universe, and the Big Bang theory has emerged as the prevailing explanation for the origin and evolution of the cosmos based on a wealth of empirical data.