SATAN

A Hebrew word signifying enemy or adversary, and used as such, without any reference to the Evil Power itself, in one or two pa ages of the Old and New Testaments. The equivalent term in Greek for this word is StaSoXoi, literally one who accuses or calumniates; whence the word devil is derived. SATELLITE (Lat. satelles, un attendant), in the Solar System, is the attendant of a planet; a body which revolves about the planet, and follows it in its orbit round the sun. Hence the satellite is sometimes called a secondary planet, or merely a secondary; the planet about which it revolves being the primary. The planets which are accompanied by satellites are the Earth, Jupiter, Saturn, and Uranus. The Earth has one satellite, namely, the Moon; Jupiter has four; Saturn sev en; and Uranus certainly two, if not six. For the Earth's satellite, see Moon. Satellites of Jupiter. — These bodies were first observed by Galileo, and their discovery followed immediately that of the telescope. With a telescope of ordinary power they may be seen (unle when eclipsed by the shadow of the planet, or concealed behind its disk), on any clear night, at different distances from the planet, and arranged nearly in a straight line, in which they appear to oscillate backwards and forwards with different velocities, and performing unequal excursions; so that their arrangement with respect to the planet, or configurations, are constantly changing. Sometimes they are observed to pa before Jupiter, in which case they cast a shadow on his disk like a small, round, black spot, whence they are inferred to be opak« bodies illuminated by the sun; at other times they pa be [s. 1102]