Also found in: Dictionary, Wikipedia.
Lysithea(lĭsĭth`ēə), in astronomy, one of the 39 known moons, or natural satellites, of JupiterJupiter
, in astronomy, 5th planet from the sun and largest planet of the solar system. Astronomical and Physical Characteristics
Jupiter's orbit lies beyond the asteroid belt at a mean distance of 483.6 million mi (778.
..... Click the link for more information. .
Lysithea(lÿ-sith -ee-ă) A small satellite of Jupiter, discovered in 1938 by Seth Nicholson. See Jupiter's satellites; Table 2, backmatter.
A small satellite of Jupiter with a diameter of about 15 miles (24 kilometers), orbiting at a mean distance of about 7.30 × 106 miles (11.75 × 106 kilometers). Also known as Jupiter X.