Curiosities of the sky, a popular presentation of the great riddles and mysteries of astronomy (1909)
Serviss, Garrett Putman, 1851-1929 · New York, London, Harper & brothers · leaf 221
ve the grotmd during theirflight and of the length of their visible courses. Theygenerally appear at an elevation of eighty or a hun-dred miles, and are seldom visible after having de-scended to within five miles of the ground, unless theobserver happens to be near the striking-point, whenhe may… … A METEOR PHOTOGRAPHED IN FLIGHT METEORS, FIRE-BALLS, METEORITES but of course not thickly; different fragments of thesame meteorite may reach the ground at points severalmiles apart. The observed length of their courses inthe atmosphere varies from fifty to five hundredmiles. If they continued a…
Astronomy
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