Ball, R[obert] S[tawell], Sir, 1840- [from old catalog] · New York, H. Holt and company · leaf 133
that the day will be longer than the night. On thesouthern hemisphere of the earth, i.e. the hemispherebetween the south pole and the equator, we drawthe circles/^ and gp precisely similar to the ArcticCircle and the tropic of Cancer in the northern; thesecircles are called respectively the…
Astronomy
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