A short course in astronomy and the use of the globes (1871)
Kiddle, Henry, 1824-1891 · New York, Chicago, Ivison, Blakeman, Taylor & co. · leaf 84
tieth that of the earth ;but its density is somewhatgreater. A body that weighs a , in r> .1 COMPARATIVE VOLUMES OP pound on the surlace ol the MErcury and the earth. 112. When can Mercury be seen ? How far does it appear to depart from the sun ?Why was it called theTwinkler? Origin of its name… … earth would weigh less than one-half a pound at Mer-cury ; and consequently, if we were transported to thatplanet, our muscular power would practically be doubled. 115. Telescopic Appearance.—When viewed througha telescope, this planet exhibits all the phases of themoon. Indications of the…
Astronomy
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