Howe, Herbert A. (Herbert Alonzo), 1858-1926 · Meadville, Penna., Flood and Vincent · leaf 226
appear on time. The vacuum at the lunar surface is believed to be ascomplete as under the exhausted receiver of an air-pump. The Moon and Eclipses. 219 Several theories ^rhe^ehfs theThe best What has become of the original aerial endowmentwhich the moon probably possessed ?have been given to… … It may be thatthe lunar at-mosphere en-tered into chem-ical combinationwith the coolingrocks, and oursatellite wasthus stripped ofits aerial ves-ture. No water is di-rectly revealedby telescopicsearch ; if it ex-isted the sunwould evapo-rate it, and aslight lunar at-mosohere com- FlG> I04,—The…
Astronomy
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