Celestial objects for common telescopesLongmans Green, 1873 |
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Page iv
... When an object is once discovered by a superior power , an inferior one will suffice to see it afterwards SIR W. HERSCHEL Inertia mors est philosophia - vivamus nos et exerceamur KEPLER To the Memory of THE LATE VICE - ADMIRAL W.
... When an object is once discovered by a superior power , an inferior one will suffice to see it afterwards SIR W. HERSCHEL Inertia mors est philosophia - vivamus nos et exerceamur KEPLER To the Memory of THE LATE VICE - ADMIRAL W.
Page xi
... discovery and optical improvement have occasioned a necessity for some modi- fications and many additions , the most important of which are an enlargement of the list of Double Stars and Nebulæ , and its extension , for the use of ...
... discovery and optical improvement have occasioned a necessity for some modi- fications and many additions , the most important of which are an enlargement of the list of Double Stars and Nebulæ , and its extension , for the use of ...
Page 24
... discovery , finds that holes in a glazed visiting - card ( which may be burnt with a red - hot needle ) , answer well : the card , however , should be placed a little way from the focus , or the edges of the hole may be charred . A ...
... discovery , finds that holes in a glazed visiting - card ( which may be burnt with a red - hot needle ) , answer well : the card , however , should be placed a little way from the focus , or the edges of the hole may be charred . A ...
Page 30
... discovered about 4,700 groups . This is , I believe , an instance of devoted persis- tence ( if the word were not equivocal , I should say , pertinacity ) un- surpassed in the annals of astronomy . The energy of one man has revealed a ...
... discovered about 4,700 groups . This is , I believe , an instance of devoted persis- tence ( if the word were not equivocal , I should say , pertinacity ) un- surpassed in the annals of astronomy . The energy of one man has revealed a ...
Page 33
... discovery , that there appear to be currents in the photosphere , drifting the equatorial spots forward , in comparison with those nearer to the poles , with deviations in latitude of smaller amount ; the neutral line , as to both these ...
... discovery , that there appear to be currents in the photosphere , drifting the equatorial spots forward , in comparison with those nearer to the poles , with deviations in latitude of smaller amount ; the neutral line , as to both these ...
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Common terms and phrases
achr achromatic aperture astronomers atmosphere beautiful Binary bluish Boöt bright brighter brilliant Buffham centre Ceph Clusters colour comet constellation craters Crown 8vo curious dark Dawes diameter disc Double Stars Drac dusky Earth Edition eye-piece faint field flushed white grey Herc Herschel Huggins interior JOHN TYNDALL Jupiter Lassell libration light lilac limb luminous lunar minute stars Moon naked eye nearly Nebulæ noticed nucleus object object-glass observers orange pair pale blue pale white pale yellow photosphere Pisc planet Post 8vo proper motion Red Star reflector region remarkable revised Right Ascension ring ruddy satellites Schm Schr Schröter Schwabe Secchi seen shadow shew side smalt solar sometimes spec spots streaks Taur telescope topaz Triple visible vols Woodcuts XIVh xIxh xvih XVIII yellowish
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