Sentence examples for known moons from inspiring English sources

It comprises more than 99.5% of all the mass known to orbit Neptune, including the planet's rings and thirteen other known moons, and is also more massive than all known moons in the Solar System smaller than itself combined.

Pluto possesses five known moons.

Makemake has no known moons.

It has 11 known moons and the biggest, Triton, is bigger than the ninth planet, Pluto.

Roman numerals are assigned to the first 49 known moons in order of their discovery.

It has a narrow system of rings and more than 60 known moons, one larger than the planet Mercury and three larger than Earth's Moon.

Discovered in 1655 by the Dutch astronomer Christiaan Huygens, Titan was the first known moon of Saturn, and the fifth known satellite of another planet.

Its one known moon is named Dysnomia, after Eris's daughter, the goddess of lawlessness.

Nereid, third largest known moon of Neptune and the second to be discovered.

Nereid, which revolves more than 15 times farther from Neptune on average than does Triton, has the most eccentric orbit of any known moon.

Charon was the only known moon of Pluto until 2005, when astronomers using the Hubble Space Telescope discovered two comparatively tiny objects revolving around Pluto outside Charon's orbit.