Moulton, Forest Ray, 1872-1952 · New York, The Macmillan company · leaf 338
the great Lick and —^ Yerkes telescopes andhas been quite unableto detect in them anydepartures from strictsphericity. Variousmarkings have beenat times observed onthe satellites, andDouglas inferred fromhis observations ofsatelUte III that itsperiod of rotation isabout 7 hours. Atpresent these are… … Fig. 109.- - Orbits of first four satellites of•Jupiter. ■^^^^^^m Fig. 110. — Barnards drawingsof Jupiters satellite I. four largest satellites naturallywere determined when Jupiterw-as in opposition, and thereforenearest the earth. Since thesatellites are in the plane ofJupiters equator, which is…
Astronomy
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
