Celestial Objects for Common TelescopesLongmans, Green, 1873 - 343 páginas |
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... called into action . But a serious obstacle remains to the inexperienced possessor . How is he to use his telescope in a really improving way ? What is he to look for ? And how is he to look for it ? For want of an answer many a good ...
... called into action . But a serious obstacle remains to the inexperienced possessor . How is he to use his telescope in a really improving way ? What is he to look for ? And how is he to look for it ? For want of an answer many a good ...
Página 6
... called the Huygenian or negative eye - piece : the positive or Ramsden eye - piece has a flatter field , but is not , like the other , achromatic . The interposition of a combination called a Barlow lens raises the power with little ...
... called the Huygenian or negative eye - piece : the positive or Ramsden eye - piece has a flatter field , but is not , like the other , achromatic . The interposition of a combination called a Barlow lens raises the power with little ...
Página 18
... called them into being . Such is eminently the right use of the Telescope --as an instrument , not of mere amusement or curiosity , but of a more extensive knowledge of the works of the Almighty . So new an aspect as has thus been given ...
... called them into being . Such is eminently the right use of the Telescope --as an instrument , not of mere amusement or curiosity , but of a more extensive knowledge of the works of the Almighty . So new an aspect as has thus been given ...
Página 37
... called by Galileo the Archimedes of his time : it was denied by the inventor of the telescope , but may be easily perceived when the image is cast on paper , and its effect is evident in the Kew , and especially the Rutherfurd photo ...
... called by Galileo the Archimedes of his time : it was denied by the inventor of the telescope , but may be easily perceived when the image is cast on paper , and its effect is evident in the Kew , and especially the Rutherfurd photo ...
Página 60
... generic title of ' seas , ' though he altered their designations . The reform attempted by G. , who would have had them called ' surfaces , ' has never taken effect . the Earth . * Every gradation of cliff and ridge 60 THE SOLAR SYSTEM .
... generic title of ' seas , ' though he altered their designations . The reform attempted by G. , who would have had them called ' surfaces , ' has never taken effect . the Earth . * Every gradation of cliff and ridge 60 THE SOLAR SYSTEM .
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Términos y frases comunes
achr achromatic aperture Aquil astronomers atmosphere beautiful Binary bluish Boöt bright brighter brilliant Buffham Cassini centre Ceph Clusters colour comet constellation craters curious dark Dawes deep diameter disc Double Stars Drac dusky Earth eye-piece faint field flushed white globe greenish grey Herc Herschel Huggins interior Jupiter larger Lassell libration light lilac limb luminous lunar minute stars Moon motion naked eye nearly nebulć noticed nucleus object object-glass observers orange pair pale blue pale white pale yellow photosphere Pisc planet proper motion Red Star reflector region remarkable Right Ascension ring ruddy satellites Schm Schr Schröter Schwabe Secchi seen shadow shew side silvery white smaller smalt solar sometimes spec spots streaks surface Taur telescope topaz Triple Virg visible xIxh xvih XVIII yellowish
Pasajes populares
Página 345 - A NEW STAR ATLAS, for the Library, the School, and the Observatory, in Twelve Circular Maps (with Two Index Plates). Intended as a Companion to ' Webb's Celestial Objects for Common Telescopes.
Página 46 - Fairest of stars, last in the train of night, If better thou belong not to the dawn, Sure pledge of day, that crown'st the smiling morn With thy bright circlet, praise Him in thy sphere, While day arises, that sweet hour of prime.
Página 182 - Lift up your eyes on high, and behold who hath created these things, that bringeth out their host by number; he calleth them all by names by the greatness of his might, for that he is strong in power; not one faileth.
Página 345 - Why didn't somebody teach me the constellations, too, and make me at home in the starry heavens which are always overhead, and which I don't half know to this day?
Página 30 - I have said, he spent to satisfy himself; six more years to satisfy, and still thirteen more to convince, mankind. For thirty years never has the Sun exhibited his disc above the horizon of Dessau without being confronted by Schwabe's imperturbable telescope, and that appears to have happened, on an average, about 300 days a year.
Página 65 - Webb makes the following remarks on the rills:—"These most singular furrows pass chiefly through levels, intersect craters (proving a more recent date), reappear beyond obstructing mountains, as though carried through by a tunnel, and commence and terminate with little reference to any conspicuous feature of the neighbourhood.