Outlines of AstronomyBlanchard & Lea, 1856 - 557 стор. |
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Сторінка xvi
... nebula with double stars . Insulated nebule of forms not wholly irregular . Of amorphous nebulæ . Their law of distribution marks them as outliers of the galaxy . Nebulæ and nebulous group of Orion - of Argo - of Sagittarius - of Cygnus ...
... nebula with double stars . Insulated nebule of forms not wholly irregular . Of amorphous nebulæ . Their law of distribution marks them as outliers of the galaxy . Nebulæ and nebulous group of Orion - of Argo - of Sagittarius - of Cygnus ...
Сторінка 303
... nebula , within a degree of its place as predicted by M. Rosenberger for that day . On or about the 20th of August it became generally visible , and , pursuing very nearly its calcu- lated path among the stars , passed its perihelion on ...
... nebula , within a degree of its place as predicted by M. Rosenberger for that day . On or about the 20th of August it became generally visible , and , pursuing very nearly its calcu- lated path among the stars , passed its perihelion on ...
Сторінка 306
... presented by the comet was that which it offered at its first appear- ance in August ; viz . that of a small round nebula with a bright point in or near the centre . sun . ( 573. ) Besides the comet of Halley 306 OUTLINES OF ASTRONOMY .
... presented by the comet was that which it offered at its first appear- ance in August ; viz . that of a small round nebula with a bright point in or near the centre . sun . ( 573. ) Besides the comet of Halley 306 OUTLINES OF ASTRONOMY .
Сторінка 316
... nebula , very rapidly fading on subsequent nights . In more southern latitudes , however , not only the tail was seen , as a mag- nificent train of light extending 50 ° or 60 ° in length ; but the head and nucleus appeared with ...
... nebula , very rapidly fading on subsequent nights . In more southern latitudes , however , not only the tail was seen , as a mag- nificent train of light extending 50 ° or 60 ° in length ; but the head and nucleus appeared with ...
Сторінка 498
... NEBULA . ANNULAR AND PLANETARY NEBULE . CLUSTERS BY NEBULOUS SUBSIDENCE . THAT OF ANDROMEDA . -DOUBLE NEBULE . NEBULOUS STARS . CONNEXION OF NEBULA INSULATED NEBULE , OF FORMS NOT THEIR LAW OF WITH DOUBLE STARS . WHOLLY IRREGULAR . - OF ...
... NEBULA . ANNULAR AND PLANETARY NEBULE . CLUSTERS BY NEBULOUS SUBSIDENCE . THAT OF ANDROMEDA . -DOUBLE NEBULE . NEBULOUS STARS . CONNEXION OF NEBULA INSULATED NEBULE , OF FORMS NOT THEIR LAW OF WITH DOUBLE STARS . WHOLLY IRREGULAR . - OF ...
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Outlines of Astronomy John Frederick William Herschel,Sir John Frederick William Herschel Повний перегляд - 1851 |
Загальні терміни та фрази
altitude amount angle angular appear apsides ascertained astronomers axis bright calculation celestial centre circle comet curve described diameter difference direction disc distance disturbed body disturbing force diurnal diurnal motion double stars earth ecliptic effect elements ellipse epoch equal equator equinoctial equinox error exact excentricity fixed globe gravity heavens heliocentric horizon inclination increase inequality instance instrument interval Jupiter latitude latter less light longitude lunar magnitude mass mean measure meridian moon moon's motion nearly nebula node normal force nutation object observed orbit parallax parallel perigee perihelion period perpendicular perturbations planet planetary pole portion position precession proper motions proportion recede recess reckoned refraction remarkable render respect result revolution right ascension rotation round satellites Saturn seen sidereal sidereal day sidereal period situation solar sphere spherical stars station sun's suppose syzygies tangential force telescope tion Uranus variation velocity visible whole zenith