in three to five sentences, evaluate the scientific evidence that supports the big bang theory and the steady state theory

Answer 1

The Big Bang theory is supported by several key lines of scientific evidence, including the cosmic microwave background radiation, which is the afterglow of the hot, dense state of the early universe, and the observed redshift of distant galaxies, which indicates that the universe is expanding. Additionally, the relative abundance of light elements, such as hydrogen and helium, aligns with predictions from Big Bang nucleosynthesis. In contrast, the Steady State theory, which posits that the universe is eternal and unchanging on a large scale, faced significant challenges as it could not adequately explain the observed isotropic radiation or the increasing luminosity of distant galaxies over time. The accumulation of evidence in favor of the Big Bang has led to its widespread acceptance among cosmologists, while the Steady State theory is largely considered obsolete.