Elements of astronomy: accompanied with numerous illustrations, a colored representation of the solar, stellar, and nebular spectra, and celestial charts of the northern and the southern hemisphere (1875)
Lockyer, Norman, Sir, 1836-1920 · New York, D. Appleton and company · leaf 126
outside the crater-wall (which on the left-hand sidecasts a shadow on the floor, as the drawing was taken to be ? What was once the case with respect to the Moon ? Describe the lunarcraters. 228. What is the best way of seeing how the surface of the Moon isbroken up ? 229. After whom have the… … 0 5 0 10 20 Scale off, ■■?„■■? ^ -? ^j0 Miles. The Lunar Crater Copernicus. soon after sunrise at Copernicus, and the Sun is to the left)many smaller craters are distinctly visible, those near theedge forming a regular line. Enormous unclosed cracksand chasms are also distinguishable. The depth of…
Astronomy
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