seen with 5-inch glass, [141].

satellites, swift motions of, [142].

velocity of planet's equator, [142].

how to see all sides of, [142], [143].

watching rotation of, [143].

eclipses and transits of satellites, [144], [147].

belts and clouds of, [145].

different rates of rotation, [145].

names and numbers of satellites, [146].

Saturn, next to Jupiter in attractiveness, [147].