The Stars: A Study of the Universe |
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Page viii
... Position of the Solar Apex - Speed of the Solar Motion . CHAPTER VII . VARIABLE STARS . Periodic Stars - Light Curve of a Star - The Omicron Ceti Type - The Algol Type- The Beta Lyra Type - Combination of the Two Types - Variations of ...
... Position of the Solar Apex - Speed of the Solar Motion . CHAPTER VII . VARIABLE STARS . Periodic Stars - Light Curve of a Star - The Omicron Ceti Type - The Algol Type- The Beta Lyra Type - Combination of the Two Types - Variations of ...
Page ix
... Position , Angle , and Distance — Orbits of Double Stars- Binary Systems of Sirius and Procyon - Orbit of Alpha Centauri— System of Capella - Triple and Multiple Systems - Spectroscopic Binary Systems - Star - Clusters - Variable Stars ...
... Position , Angle , and Distance — Orbits of Double Stars- Binary Systems of Sirius and Procyon - Orbit of Alpha Centauri— System of Capella - Triple and Multiple Systems - Spectroscopic Binary Systems - Star - Clusters - Variable Stars ...
Page xi
... POSITION - ANGLE OF A DOUBLE STAR APPARENT ORBIT OF α CENTAURI . RADIAL MOTION OF A BINARY SYSTEM THE GREAT STAR - CLUSTER OF HERCULES THE GREAT STAR - CLUSTER OF CENTAURI THE GREAT NEBULA OF ORION THE GREAT SPIRAL NEBULA M. 51 THE ...
... POSITION - ANGLE OF A DOUBLE STAR APPARENT ORBIT OF α CENTAURI . RADIAL MOTION OF A BINARY SYSTEM THE GREAT STAR - CLUSTER OF HERCULES THE GREAT STAR - CLUSTER OF CENTAURI THE GREAT NEBULA OF ORION THE GREAT SPIRAL NEBULA M. 51 THE ...
Page 5
... positions of stars . In the latter field the first important contributions after Lacaille were made by Sir Thomas Brisbane , Gov- ernor of New South Wales , and Rumker , his assist- ant , at Paramatta . Johnson , of England , about 1830 ...
... positions of stars . In the latter field the first important contributions after Lacaille were made by Sir Thomas Brisbane , Gov- ernor of New South Wales , and Rumker , his assist- ant , at Paramatta . Johnson , of England , about 1830 ...
Page 10
... positions of the individual bodies of the cluster . When more sensitive chemicals were introduced into photography , another step in advance was made by combining the spectroscopic and the sensitive plate into a spectrograph . In all ...
... positions of the individual bodies of the cluster . When more sensitive chemicals were introduced into photography , another step in advance was made by combining the spectroscopic and the sensitive plate into a spectrograph . In all ...
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Common terms and phrases
actual Algol apical motion appear Aquila astronomers average Beta Lyræ binary systems body bright lines brighter stars brightest brilliancy catalogue celestial sphere centre century chapter cluster colour components conclusion constellation dark lines density determined direction distance double stars earth eclipses emitted equal Eta Aquila fact faint fainter follows galaxy greater Harvard Observatory heavens Herschel hydrogen hydrogen lines increase Kapteyn latter less Lick Observatory limit lucid stars mass measured Milky naked eye nearly nebula number of stars observations Observatory orbit Orion parallactic motion parallax period photographic Pickering planet pole position proper motion question R. A. Dec radial motion ratio remarkable revolving round right ascension seems seen Sirius sixth magnitude solar apex space spectra spectroscope spectroscopic binary spectrum square degrees star-density stellar supposed surface telescope temperature tion tude UNIVERS universe variable stars variation velocity visible wave-length zone
Popular passages
Page 284 - How charming is divine Philosophy! Not harsh and crabbed, as dull fools suppose, But musical as is Apollo's lute, And a perpetual feast of nectared sweets, Where no crude surfeit reigns.
Page 224 - Tis ours to trace him only in our own. He, who through vast immensity can pierce, See worlds on worlds compose one universe, Observe how system into system runs, What other planets circle other suns, What varied being peoples every star, May tell why Heaven has made us as we are.
Page 333 - The book is cleverly written and is one of the best works of its kind ever put before the public. It will be interesting to all readers, and especially to those interested in the study of science.
Page 26 - Now came still evening on, and twilight grey Had in her sober livery all things clad; Silence accompanied; for beast and bird, They to their grassy couch, these to their nests Were slunk, all but the wakeful nightingale ; She all night long her amorous descant sung , Silence was...
Page 121 - It may be glorious to write Thoughts that shall glad the two or three High souls, like those far stars that come in sight Once in a century ; — But better far it is to speak One simple word, which now and then Shall waken their free nature in the weak And friendless sons of men...
Page 262 - To God's eternal house direct the way A broad and ample road, whose dust is gold, And pavement stars...