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Triton, the largest moon of the planet Neptune, is discovered by English astronomer William Lassell.
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Triton (moon)
Largest moon of Neptune
Triton is the largest natural satellite of the planet Neptune. It is the only moon of Neptune massive enough to be rounded under its own gravity and hosts a thin, hazy atmosphere. Triton orbits Neptune in a retrograde orbit—revolving in the opposite direction to the parent…Source: Wikipedia (CC BY-SA)
Neptune
Eighth planet from the Sun
Neptune is the eighth and farthest known planet orbiting the Sun. It is the fourth-largest planet in the Solar System by diameter, the third-most-massive planet, and the densest giant planet. It is 17 times the mass of Earth. Compared to Uranus, its neighbouring ice giant,…Source: Wikipedia (CC BY-SA)
William Lassell
English merchant and astronomer (1799–1880)
William Lassell was an English merchant and astronomer. He is remembered for his improvements to the reflecting telescope and his ensuing discoveries of four planetary satellites.Source: Wikipedia (CC BY-SA)