The Big Bang theory is bolstered by compelling evidence, such as the observation that galaxies are moving away from each other, indicating that the universe is expanding. Additionally, scientists have detected cosmic microwave background radiation, which serves as a remnant from the early universe, and they have found that lighter elements like hydrogen and helium are prevalent, aligning with the theory’s predictions. In contrast, the Steady State theory—which asserts that the universe remains unchanged while continuously generating new matter—lacks substantial support and has lost popularity. Given this wealth of evidence, the majority of scientists regard the Big Bang theory as the most credible explanation for the origin and development of the universe.
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The Big Bang theory is supported by strong evidence like how galaxies are drifting apart, which suggests the universe is getting bigger. Scientists also found cosmic microwave background radiation, a kind of afterglow from the early universe, and they see that lighter elements like hydrogen and helium are very common, just as the theory predicts. On the other hand, the Steady State theory, which says that the universe never changes and constantly creates new matter, doesn’t have much proof and has fallen out of favor. Because of all this evidence, most scientists believe that the Big Bang theory is the best explanation for how the universe started and evolved.
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