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[Audio] The Universe is an extraordinary entity that is believed to have originated 13.787 ± 0.020 billion years ago. Since then, it has been expanding, now containing all matter and energy, including planets, stars, galaxies, and more. In the centuries since, our understanding of the Universe has grown exponentially, from early philosophers' geocentric views to more precise heliocentric models and Newton's law of universal gravitation. As we continue to learn more about the Universe around us, we could be even more astonished by what we find..