Celestial Objects for Common TelescopesLongmans, Green, 1873 - 343 páginas |
Dentro del libro
Resultados 1-5 de 76
Página 3
... fine night , though the rings and appendages around the brighter stars were rather troublesome ; ' 1852 , April 1 , ' an exceedingly fine night at first , with scarcely a trace of rings or appendages . ' See also the star 70 Ophiuchi ...
... fine night , though the rings and appendages around the brighter stars were rather troublesome ; ' 1852 , April 1 , ' an exceedingly fine night at first , with scarcely a trace of rings or appendages . ' See also the star 70 Ophiuchi ...
Página 4
... fine enough for such a purpose , and a fair judgment may be made by day from the figures on a watch - face , or a minute white circle on a black ground , or a thermometer bulb in the sunshine , placed as far off as is convenient . An ...
... fine enough for such a purpose , and a fair judgment may be made by day from the figures on a watch - face , or a minute white circle on a black ground , or a thermometer bulb in the sunshine , placed as far off as is convenient . An ...
Página 49
... fine reflectors and a very good achromatic , he and others found the boundary sometimes slightly jagged , sometimes ir- regular in curvature , so as to vary the relative thickness of the horns ; and these would occasionally pass through ...
... fine reflectors and a very good achromatic , he and others found the boundary sometimes slightly jagged , sometimes ir- regular in curvature , so as to vary the relative thickness of the horns ; and these would occasionally pass through ...
Página 85
... fine effect of sunset upon its ring . It has a grand central mountain , which must at times command a glorious view , across a plain of 50 m . covered with night , to illuminated peaks all round the horizon , above which the Sun on one ...
... fine effect of sunset upon its ring . It has a grand central mountain , which must at times command a glorious view , across a plain of 50 m . covered with night , to illuminated peaks all round the horizon , above which the Sun on one ...
Página 89
... fine points - a superb spectacle , which I have seen about I. Quarter . Craters are very rare here . EUDOXUS ( 77 ) and ARISTOTELES ( 78 ) . A noble pair of craters , not easily found in Full , in a region sprinkled as it were with ...
... fine points - a superb spectacle , which I have seen about I. Quarter . Craters are very rare here . EUDOXUS ( 77 ) and ARISTOTELES ( 78 ) . A noble pair of craters , not easily found in Full , in a region sprinkled as it were with ...
Otras ediciones - Ver todas
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 nebulæ 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.