Shuler, Molton Ancrum. [from old catalog] · New York, Broadway publishing company · leaf 120
one another. The astronomicalworld was greatly surprised at this; but, when Schia-parelli announced in 1882 that most of the canals hadbecome double, the astonishment was greater still.During an interval extending from December, 1881,to February, 1882, thirty duplications seem to have oc-curred,… … (VIII., p. 101.) Mars. THE FAMILY CELESTIAL of the canals seems to be of a periodic nature, occur-ring at the time when the planet is passing throughhis equinoxes. Although we are told that the polarfields, which present the white polar cap, are at thesummer season seeking outlets for the melting…
Astronomy
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