The Stars: A Study of the Universe |
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Page viii
... Variable Stars -Possible Secular Variations of the Brillancy of Stars - Spectra of Variable Stars . CHAPTER VIII . NEW STARS . Eta Argus - List of New Stars - Tycho's Star of 1752 - Kepler's Star of 1604 - T Corona - Nova Auriga - Nova ...
... Variable Stars -Possible Secular Variations of the Brillancy of Stars - Spectra of Variable Stars . CHAPTER VIII . NEW STARS . Eta Argus - List of New Stars - Tycho's Star of 1752 - Kepler's Star of 1604 - T Corona - Nova Auriga - Nova ...
Page ix
... 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 - 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 ...
Page xi
... STAR WITH ITS DISTANCE . 15 PLAN OF THE SPECTRUM 59 65 68 SPECTROGRAM OF POLARIS TAKEN BY CAMPBELL AT THE LICK OBSERVATORY . • 84 THE MILLS SPECTROGRAPH OF THE LICK OBSERVATORY LIGHT - CURVE OF A VARIABLE STAR 86 98 FORM OF LIGHT ...
... STAR WITH ITS DISTANCE . 15 PLAN OF THE SPECTRUM 59 65 68 SPECTROGRAM OF POLARIS TAKEN BY CAMPBELL AT THE LICK OBSERVATORY . • 84 THE MILLS SPECTROGRAPH OF THE LICK OBSERVATORY LIGHT - CURVE OF A VARIABLE STAR 86 98 FORM OF LIGHT ...
Page 7
... variable stars ; and the evidence , conclusive or doubtful , for varia- bility , takes up an important part of the notes . These are followed by a discussion of the distribution of the stars , primarily of the southern hemisphere , but ...
... variable stars ; and the evidence , conclusive or doubtful , for varia- bility , takes up an important part of the notes . These are followed by a discussion of the distribution of the stars , primarily of the southern hemisphere , but ...
Page 12
... stars in the line of sight opened up the last era in science . Applying the method to the variable star Algol , he proved that the loss of light which it undergoes at intervals of nearly three days is merely a partial eclipse by a dark ...
... stars in the line of sight opened up the last era in science . Applying the method to the variable star Algol , he proved that the loss of light which it undergoes at intervals of nearly three days is merely a partial eclipse by a dark ...
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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...