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 |
À l'intérieur du livre
Résultats 1-5 sur 30
Page 18
... lane at one side ; 12 long . The southern nebula is a bright oval 0 : 3 long ; probably a spiral . See Abs . Eff ... dark patches near the brighter central portion . Very much fainter matter forms the outer portion of the nebula in an ...
... lane at one side ; 12 long . The southern nebula is a bright oval 0 : 3 long ; probably a spiral . See Abs . Eff ... dark patches near the brighter central portion . Very much fainter matter forms the outer portion of the nebula in an ...
Page 19
... dark lane n.f. the nucleus . 26 s.n. A spindle 1 ' long ; moderately bright . Probably spiral ; an absorbing lane is suspected . Slightly oval ; 1 ' long ; nucleus almost stellar ; no whorls or spiral structure dis- cernible , but is ...
... dark lane n.f. the nucleus . 26 s.n. A spindle 1 ' long ; moderately bright . Probably spiral ; an absorbing lane is suspected . Slightly oval ; 1 ' long ; nucleus almost stellar ; no whorls or spiral structure dis- cernible , but is ...
Page 20
... dark lane on the north . See Abs . Eff . Planetary . 0 s.n. Very bright ; about 0 : 4 in diameter ; strong nuclear portion ; no spiral structure discernible . 737 does not exist ; is simply a faint star . Almost stellar ; slightly ...
... dark lane on the north . See Abs . Eff . Planetary . 0 s.n. Very bright ; about 0 : 4 in diameter ; strong nuclear portion ; no spiral structure discernible . 737 does not exist ; is simply a faint star . Almost stellar ; slightly ...
Page 23
... dark lane . I 434 is a line of rather faint diffuse nebulosity extending for fully 60 ' south from Orionis , in p.a. ... dark lanes , of which one on the eastern side is very clear - cut , and suggests absorbing matter . Further east is ...
... dark lane . I 434 is a line of rather faint diffuse nebulosity extending for fully 60 ' south from Orionis , in p.a. ... dark lanes , of which one on the eastern side is very clear - cut , and suggests absorbing matter . Further east is ...
Page 24
... lanes and one clear - cut " bay " on the north which strongly suggests dark matter . There are much fainter patches north and south of the main body . The nebula lies in a well - marked rift about 20 ' wide and at least a degree long ...
... lanes and one clear - cut " bay " on the north which strongly suggests dark matter . There are much fainter patches north and south of the main body . The nebula lies in a well - marked rift about 20 ' wide and at least a degree long ...
Autres éditions - Tout afficher
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