Uranography and practical astronomy, designed for private students (1866)
Lillard, L. [from old catalog] · Keokuk, Rees' book and job office print · leaf 26
iter, and casts a shadow which describes a chord across the disc of the planet. This produces an eclipse of the sun, to Jupiter similar to those which the moon produces on the earth, which shows that Jupiter and his moons are non- luminous bodies, shining by the reflected light of the sun. The… … Let S (Fig. 2) represent the sun, J Jupiter, E earth and M Jupiter's first satellite. Now this satellite passes through Jupiter's shadow every revolu- tion it makes around the plarjet. Suppose the earth is at the point A when M is seen entering Jupiter's shadow. Now E is moving m the direction…
Astronomy
Internet Archive · The Library of Congress · Public domain (published before 1931). Free to use for anything.
