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Sept. 17, 1789: Saturn’s ‘Demise Star’ Moon Found

On Sept. 17, 1789, the British astronomer William Herschel found Saturn’s “Demise Star” moon, Mimas.
Herschel was a man who favored to construct telescopes and uncover issues, just like the planet Uranus, tiny moons round Jupiter and Saturn, and different stuff on the market in area. Shortly after he invented an enormous new sort of reflecting telescope referred to as the Herschelian telescope, he noticed Mimas orbiting Saturn.
Mimas is tremendous tiny with a diameter of lower than 250 miles. It’s the smallest identified spherical physique in area that’s held collectively by self-gravitation.

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