Stars and telescopes; a hand-book of popular astronomy founded on the 9th ed. of Lynn's Celestial motions (1901)
Todd, David P. (David Peck), 1855-1939, Lynn, William Thynne, 1835-1911 · Boston, Little, Brown · leaf 203
ions will occur in 1899, 1901,and 1903, when, with the planets pole tilted toward the Earth,it is especially desirable that the phenomena of the melting ofthe northern polar cap be closely watched by experienced ob-servers with the most powerful telescopes. Curiously, while the north polar snows… … nth February nth February loth February MARS AS DRAWN BY KNOBEL IN 18S4(North polar cap near its greatest visibility) the planets true pole, toward Ufare Erythraeum. The well-established variation in the distance of the centre of the southcap from the true pole is unaccounted for; it was as much…
Astronomy
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