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 32
s courseamong- the stars, which caused the elongation of the star images.The tail of the comet, as shown on this plate, was about sevenmillion miles long and composed of luminous vapors chieflyhydrocarbons. (Yerkes Observatory.) BACK IN NINETY DAYS 3 f essor Newton the number of these miniature… … FIG. 3. THREE FORMS OF COMETARY ORBITS. (Steeles Astronomy.) The fixed stars, like the comets, are self-luminousand by far the largest, brightest, and m.ost distantfrom us of all the heavenly bodies. They obey the lawof gravitation and move very rapidly through theheavens, but for the short space…
Astronomy
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