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 152
of Venus,is only about threefifths that of our globe.Mars revolves roundthe Sun in 687 days,at the mean distance of 141^ million miles. The disk of this planet is well seen with our tele-scopes at the favorable oppositions, and many mapshave been drawn of the surface, which exhibits inmany respects… … MARS, 1ST AUGUST 1892 (FLAMMARION) mosphere appearing like a very slender sickle or crescent ofsilvery light, the horns of which Mr Barnard saw, 5th December,1890, nearly meeting together. A similar observation had beenmade under more favorable circumstances by Maedler in 1S49,and in December 1866,…
Astronomy
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