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On this day in history..
Triton is the largest "natural satellite" of the planet Neotune.
It was discovered on the 10th of October, 1846 by English
astronomer William Lassell.
It is the only large moon in the Solar System with a
retrograde orbit in the opposite direction to its planet
rotation. At 2,700 kilometres (1,700mi) in diameter,
It is the 7th largest moon in the Solar system.
1846
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