I like how it's basically a more modern retelling of Ptolmaic astronomy and the long use of epicycles to explain the retrograde motion of planets in a geocentric universe.
Rather than abandon the theory, scientists proposed an alternative: maybe there was another, as-yet-unobserved planet, exerting a gravitational pull on Uranus.
Many assumed it was just another minor mystery. Newton’s laws had been right before, surely they’d be right again. They just needed the missing puzzle piece.
But the puzzle piece didn’t come - instead, Einstein did. He showed that Newton’s laws were wrong, at least for extreme situations like planets near the Sun.
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