Lockyer, Norman, Sir, 1836-1920 · London : Macmillan and Co. · leaf 148
planets orbit, lend agreat additional interest tothe picture. In the variouspositions in their orbits thesatellites sometimes appearat a great distance from theprimary; sometimes theycome between us and the t-- ^ t •. ji,- at /•/». 16.—Jupiter and his Moons planet, appearing now as ^general view).… … 114 ASTRONOMY into the shadow cast by the planet, and are thereforeeclipsed themselves ; and sometimes they pass behind theplanet, and are said to be occulted. Of these appearanceswe shall have more to say by and by (Lesson XXXVI). 268. Referring to the sizes of these moons and theirdistances from…
Astronomy · Solar system
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