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Mercury, in astronomy

(Encyclopedia)Mercury, in astronomy, nearest planet to the sun, at a mean distance of 36 million mi (58 million km); its period of revolution is 88 days. Mercury passes through phases similar to those of the moon a...

Charon, in astronomy

(Encyclopedia)Charon, in astronomy, the natural satellite, or moon, of Pluto. ...

Naiad, in astronomy

(Encyclopedia)Naiad, in astronomy, one of the natural satellites, or moons, of Neptune. ...

Larissa, in astronomy

(Encyclopedia)Larissa, in astronomy, one of the natural satellites, or moons, of Neptune. ...

Cressida, in astronomy

(Encyclopedia)Cressida, in astronomy, one of the natural satellites, or moons, of Uranus. ...

Puck, in astronomy

(Encyclopedia)Puck, in astronomy, one of the natural satellites, or moons, of Uranus. ...

Galatea, in astronomy

(Encyclopedia)Galatea, in astronomy, one of the natural satellites, or moons, of Neptune. ...

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