To the moon and back in ninety days : a thrilling narrative of blended science and adventure (1922)
Brown, John Young, 1858-1921, Lunar Publishing Company. pbl · Providence, Kentucky : Lunar Publishing Company · leaf 235
The large vulcanoid to the right of the center of the pictureIs Copernicus. The location of Murus Rectus or the StraightWall is marked by the first angle in the course of our long-southern tour. (See Fig. 42). Tycho may be identified as thedeep, symmetrical vulcanoid about an inch below the… … FIG. 42. MARE NUBIUM AND SURROUNDINGS. The large vulcanoid near the lower margin of this plate is Co-pernicus. The dark line about one inch in length, at the anglein our course, in the upper part of the picture, is the shadow ofMurus Rectus, or the Straight Wall. (See Fig. 43). (Lick Observatory.)…
Astronomy
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