All About… NEPTUNE

A frozen world on the outermost limits of our Solar System, Neptune is a mysterious planet with its own unique characteristics

Each planet is unique, and Neptune’s claim to fame is being the first planet to be discovered not by observation, but by prediction. French astronomer Alexis Bouvard spent a lot of time closely observing the orbit of Uranus, and detected a gravitational perturbation that he deduced could only be explained by the existence of another planet. From his observations, other astronomers calculated the location of Neptune. To be fair, Galileo actually spotted Neptune more than 200 years before, but since he thought it was a star, he didn’t get the credit. There’s still some debate over who did deserve the credit – French astronomer Urbain Le Verrier or British astronomer John Couch Adams – and some sources include a third astronomer, Johann Galle of Germany. At any rate, Galle was…

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All About Space Book of the Solar System (Digital) - 1 Issue, All About Space Book Of The Solar System 4th Edition

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