List, C, Hall, T. G. (Thomas Grainger), 1803-1881 · Philadelphia : Thomas Cowperthwait & Co. and Carey & Hart · leaf 63
ious phenomena present themselves.Spots are observed differing very greatly in theirdegrees of brightness. Some are almost dark.Many of them seem to be vast excavations in themoons surface. Some of these must be three orfour miles in depth, and thirty or forty miles indiameter. Water does not seem… … View of the Moon. pors or clouds; for although the atmosphere ofthe moon, if there be one, is of very small extent,yet it is very probable that one does exist, and ifthere were vapors raised by the suns heat, theywould be seen floating in it, and obscuring the faceof the moon. That there are…
Astronomy
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