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eimsori [14]
2 years ago
8

How has the theory of the Universe changed over time?

Physics
1 answer:
vlabodo [156]2 years ago
6 0
Although the expansion of the universe gradually slowed down as the matter in the universe pulled on itself via gravity, about 5 or 6 billion years after the Big Bang, according to NASA, a mysterious force now called dark energy began speeding up the expansion of the universe again, a phenomenon that continues today.
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