Popular astronomy : a concise elementary treatise on the sun, planets, satellites and comets (1865)
Mitchel, O. M. (Ormsby MacKnight), 1809-1862 · New York : Oakley & Mason · leaf 103
are readily trans-ferred to the determination of the heights and depths ofthe lunar surfiice, while the figure of the shadow cast bythe summits of a mountain range on an extended plainbelow, gives to us almost as perfect a knowledge of theactual forms of the lunar mountains as though it… … CASSENDIUS,DUDLEY OBSERVATORYJAN. 1860. T H E M 0 0 N^ 93 nearly two hundred miles, which have received the nameof the Appenines. This mountain range comes into thesunlight just after the moon has passed its first quarter,and is then one of the fines, objects that the telescope re-veals to the eje…
Astronomy
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