Exploring the Big Bang helps us understand how our universe evolved to its current state, but it doesn't immediately explain why the Big Bang happened or what might have preceded it. Both theoretical and observational evidence strongly support the idea that cosmic inflation occurred before and set the stage for the Big Bang. Although new, sensitive measurements are still needed, the lack of easy discoveries doesn’t mean that progress has stalled.
If the Big Bang wasn’t the initial event, what triggered it? Share this question on LinkedIn and sign up for the Starts With a Bang newsletter to explore the universe with Dr. Ethan Siegel, as he delves into the most profound questions.
Human curiosity has always driven us to ponder the mysteries of the universe. Why do things exist as they are? How did they come to be? Could different choices have led to alternative outcomes if we could start from the beginning? Throughout history, philosophers, theologians, and mythmakers have sought to answer these questions, but their answers were far from definitive.
Today, modern science offers a more effective approach to these cosmic puzzles. We no longer see the Big Bang as a singular event in space and time. Science now allows us to ask questions like, “What existed before the Big Bang?” and “Why did the Big Bang occur?” With the knowledge we have, science provides us with the most reliable answers, even for the biggest questions.
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