More how impressively large Triton, the 7th largest moon in all of the Solar System, is in comparison. This image was taken by the Voyager 2 spacecraft on August 29, 1989, ...

Triton is the largest of Neptune's moons. Discovered in 1846 by British astronomer William Lassell — just weeks after Neptune itself was found — the moon showed some strange characteristics as ...

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.

There are a few moons in the solar system thought to have oceans of some kind; Europa at Jupiter sits at 5 AU, while Enceladus and Titan at Saturn are 10 AU from the Sun. Triton is at 30 AU.

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 ...

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 ...

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.

(SPACE.com) 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 ...

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.

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 ...