Astronomy with an opera-glass: a popular introduction to the study of the starry heavens with the simplest of optical instruments, with maps and directions to facilitate the recognition of the constellations and the principal stars visible to the naked eye; (1888)
Serviss, Garrett Putman, 1851-1929 · New York, London, D. Appleton and company · leaf 155
Mars and Uranus, May 29, 1888. Mars and Uranus, June 1, 1888. 144 ASTRONOMY WITH AN OPERA-GLASS. … Mars and Uranus, June 6, 1888. distinguishing a planet from the fixed stars by its change ofplace. In the first cat we have the two planets and three neighboring stars as they ap-peared on May 29th. Thesestars were best seen with afield-glass, although an opera-glass readily showed them. On June…
Astronomy
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