Triton was discovered by the English astronomer William Lassell in October 1846, only a few weeks after the discovery of Neptune itself. Triton was named after a merman in Greek Mythology who was the ...

Triton was discovered in 1846 by the British astronomer William Lassell, but much about Neptune’s largest moon still remains a mystery.A flyby by NASA's Voyager 2 spacecraft in 1989 offered a ...

Triton was discovered in 1846 by the British astronomer William Lassell, but much about Neptune’s largest moon still remains a mystery.

And Triton is not the only outlier at Neptune. Nereid, one of the planet's outermost moons and the third largest, has one of the most stretched out, or eccentric, orbits of any moon in our solar ...

(SPACE.com) Triton was discovered in 1846 by the British astronomer William Lassell, but much about Neptune's largest moon still remains a mystery.

Of Neptune's 13 moons, Triton is by far the largest, and, at 2700 kilometres in diameter (or three quarters the Earth's Moon), is the seventh largest moon in the whole Solar System.

On August 25, 1989, Voyager 2 sailed past Triton, capturing our first real look at Neptune’s moon. With half the moon lost in shadow, we only got a glimpse of the icy moon.

An enhanced view of Neptune's largest moon, Triton. Sometimes, astronomy is like a forensic investigation: We can't just rerun the past, so we have to study clues to figure out what happened. And ...

For years, scientists have suspected that Triton wasn't part of Neptune's original collection of moons. The massive moon has a backward orbit, and makes up over 99 percent of all the mass orbiting ...

Triton, which is about 1,680 miles (2,700 kilometers) wide, has a unique property among large solar system moons: a retrograde orbit. [Video: Fly By Neptune's Freezing Moon Triton]Planets form ...

Triton was discovered in 1846 by the British astronomer William Lassell, but much about Neptune’s largest moon still remains a mystery.