Studies of the Nebulae: Made at the Lick Observatory, University of California, at Mount Hamilton, California, and Santiago, Chile, Volume 13University of California Press, 1918 - 268 pages |
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Page 13
... under , rather than in excess of , the truth . The extent of existing ... exposure was insufficient or the plate was flawed by developer , or was otherwise of ... exposed area of a Crossley plate is about nine - tenths of a square degree ...
... under , rather than in excess of , the truth . The extent of existing ... exposure was insufficient or the plate was flawed by developer , or was otherwise of ... exposed area of a Crossley plate is about nine - tenths of a square degree ...
Page 59
... under different lengths of exposure , and to indicate . the distribution of the different sorts of matter within the nebula . Wolf and Burns have called attention to the varying size of the monochromatic images of the Ring Nebula in ...
... under different lengths of exposure , and to indicate . the distribution of the different sorts of matter within the nebula . Wolf and Burns have called attention to the varying size of the monochromatic images of the Ring Nebula in ...
Page 70
... under the action of radiation pressure . Two contiguous small spheres of density 5.5 , situated at the Earth's distance from the Sun , and exposed to solar radiation , will suffer no mutual attraction or repulsion when their diameter is ...
... under the action of radiation pressure . Two contiguous small spheres of density 5.5 , situated at the Earth's distance from the Sun , and exposed to solar radiation , will suffer no mutual attraction or repulsion when their diameter is ...
Page 79
... exposure times to about one - fifth that required by the 1 - prism ... within the brighter planetary nebulae- requiring the higher dispersions and various position ... under better conditions . The observations in Chile began with a ...
... exposure times to about one - fifth that required by the 1 - prism ... within the brighter planetary nebulae- requiring the higher dispersions and various position ... under better conditions . The observations in Chile began with a ...
Page 81
... under - exposed , has caused us to fear a systematic error of appreciable size from this source . A quantitative study and solution of the subject appears to be attended with great difficulties . The embarrassments of bisecting ...
... under - exposed , has caused us to fear a systematic error of appreciable size from this source . A quantitative study and solution of the subject appears to be attended with great difficulties . The embarrassments of bisecting ...
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Studies of the Nebulae: Made at the Lick Observatory, University ..., Volume 13 Lick Observatory,Joseph Haines Moore Affichage du livre entier - 1918 |
Expressions et termes fréquents
appears bright bands bright lines brighter Campbell N₁ central portion central star continuous spectrum dark lane DETAILS OF OBSERVATION diameter diffuse nebulosity disk edge elongated exposure faint fainter figure g slitless Greater Magellanic Cloud H N₁ N₂ Haynes hydrogen hydrogen lines inclination km./sec Lick Obs LICK OBSERVATORY line Ia long Hẞ M. T. Exp major axis minor axis Miss Hobe N Miss Hobe N₁ moderately bright Moore Miss Hobe Moore N Moore N₁ N₂ N₁ N₂ Hẞ N₂ HB N₂ Hẞ Hy nearly round nucleus band object Orion nebula photographic planetary nebulae radial velocity region relative intensities ring Ring Nebula rotation s.n. Planetary Scott N Scott N₁ Sept Slit long small nebulae spectra spectrograms spiral nebulae spiral structure star of magn stellar condensations stellar nucleus ultra-violet under-exposed wave-lengths whorls Wolf-Rayet Wolf-Rayet stars Ηβ Ηγ