Guy's Elements of astronomy : and an abridgment of Keith's New treastise on the use of the globes (1864)
Guy, Joseph, 1784-1867, Keith, Thomas, 1759-1824. A new treatise on the use of the globes · Philadelphia, C. Desilver · leaf 71
and on the suns disc she wouldappear a dark round spot passing over it. These appearances are called transits; they happen very sel-dom, because Venus is very seldom in or near her nodesdt her inferior conjunctions. That there are great variations in the apparent dlameter of Venus may be… … THE ECLIPTIC, ZODIAC, AND EQUATOR, &C. 41 She Wt/uld, if visible, appear much larger than whenshe is at 4 in superior conjunction, because so muchnearer in the former case than in the latter ; being inthe situation a, but 27,000,000 miles from the earthE ; but at e, 163,000,000. As Venus passes…
Astronomy
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