Solved cryptogram

Neptune was found with mathematics first. Its position was worked out before a telescope saw it.

Astronomy Facts, sourced to NASA.

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What it means

Uranus was not following the orbit that Newton's laws predicted, and two mathematicians independently concluded that an unseen planet must be tugging on it. Urbain Le Verrier sent his calculated position to an observatory in Berlin, and the planet was spotted the same night, within a degree of where he said it would be. It was a triumph for gravitation as a predictive theory.

The claim comes from NASA.

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