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 211
o be some-what as shown schematically on the previous page; straight andrelatively narrow channels through the middle, intersected, atintervals more or less regular, by a multitude of short cross-channels, throughout their entire length. Indeed, says Schia-parelli, they very often look like gray… … THE SOLIS LACUS REGION OF MARS(As drawn by Douglass, gth October 1S94. Scale, 1 inch=: 1200 miles) apparent width of a canal would simply be equal to the meanbreadth of the system. Optically it is a question of resolva-bility which ought not to be beyond the power of the largestexisting telescopes…
Astronomy
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