Johnson's natural philosophy and key to philosophical charts : illustrated with 500 cuts; being reduced photographic copies of all the diagrams contained in the author's philosophical series of indestructible school charts ; for the use of schools and families (1878)
; and it is said to be in oppo-sition when the earth is between tlie sun and the planet. Hence, when a planet is in conjunction, it rises and sets nearly witlithe sun; but in opposition, it rises nearly when the sun sets, and setswhen the sun rises. When at her superior conjunction, Venus is… … 891. Direct, stationary, and retrograde motion of theplanets (Fig. 9).—The planets, if seen from the sun, Avould appear topass from star to star, through the constellations, in a uniform andregular manner. But as seen from the earth, they apparently moveirregularly. Sometimes they appear to go…
Physics · Astronomy
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