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 146
ght. 266. Mars ( $).—Mars, fourth in order from the Sun, is the nearest tothe Earth of thesuperior planets.Its day is ofnearly the samelength as ours;its year is abouttwice as longas our year;its diameter istwo-thirds thatof the Earth.The inclinationof its axis to theplane of its or-bit does not… … Fig. 59.—Mars in 1862. ties iu llie terminator indicate ? 266. Which of the superior planets is nearestto the Earth ? How does Mars compare with the Earth, as regards its day, itsyear, its diameter, and its seasons ? How and why does its apparent diameter 140 THE INFEKIOR AND SUPEKIOK PLANETS. two…
Astronomy
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