A text-book of general astronomy : for colleges and scientific schools (1888)
Young, Charles A. (Charles Augustus), 1834-1908 · Boston ; London : Ginn & Company · leaf 369
lanet, and these shadows can easily be seen in the telescope asblack dots on the planets disc, the satellites themselves, which crossthe disc about the same time, being much more difficult to observe.The fourth satellite escapes eclipse when Jupiter is far from the nodeof its orbit. Thus, during… … Fig. 180. — Eclipses of Jupiters Satellites, at Western Elongation. observe the eclipses of the satellites, but only their transits acrossthe disc. Before and after these times, however, the shadow liesone side of the planet. When the planet is at quadrature and the condition of thingsis as…
Astronomy
Internet Archive · Wellesley College Library · Public Domain Mark 1.0. Free to use for anything.
