Abstract
Imagine watching a movie that depicts the history of the expanding universe. If we ran the movie in reverse, we would see the universe contract. Galaxies would merge; matter would become denser and hotter; and—eventually—the universe would appear to converge on an initial state. The discovery of an expanding universe seems to imply the universe had a definite beginning.
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© 2024 The Author(s), under exclusive license to Springer Nature Switzerland AG
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Webb, S. (2024). Rewinding Time: The Big Bang, Inflation, and the Birth of a Universe. In: The Quizzer’s Guide to the Cosmos. Springer Praxis Books(). Springer, Cham. https://doi.org/10.1007/978-3-031-52437-0_8
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DOI: https://doi.org/10.1007/978-3-031-52437-0_8
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Publisher Name: Springer, Cham
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Online ISBN: 978-3-031-52437-0
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