The Stars: A Study of the Universe |
From inside the book
Results 1-5 of 83
Page 10
... conclusions respecting the constitution and motion of the body that emits the light can be drawn . The most dis- tinctive feature of the spectroscopic method arises from the fact that the composition of the light is in- dependent of the ...
... conclusions respecting the constitution and motion of the body that emits the light can be drawn . The most dis- tinctive feature of the spectroscopic method arises from the fact that the composition of the light is in- dependent of the ...
Page 13
... conclusion from all his work is that isolated stars may be the exception rather than the rule ; that pos- sibly a great majority at least of the stars are composed of two or more bodies revolving round each other , though they appear in ...
... conclusion from all his work is that isolated stars may be the exception rather than the rule ; that pos- sibly a great majority at least of the stars are composed of two or more bodies revolving round each other , though they appear in ...
Page 14
... the present time . Keeping these details in mind , we can profitably proceed to the consideration of the general conclusions to be drawn from them . CHAPTER II MAGNITUDES OF THE STARS And one star differeth 14 REVIEW OF RECENT PROGRESS.
... the present time . Keeping these details in mind , we can profitably proceed to the consideration of the general conclusions to be drawn from them . CHAPTER II MAGNITUDES OF THE STARS And one star differeth 14 REVIEW OF RECENT PROGRESS.
Page 18
... conclusion which accords with the well - known psy- chological law that the intensity of sensation varies by equal amounts when the exciting cause varies in geometrical progression . It was found that an average star of the fifth ...
... conclusion which accords with the well - known psy- chological law that the intensity of sensation varies by equal amounts when the exciting cause varies in geometrical progression . It was found that an average star of the fifth ...
Page 21
... conclusion from all this is that two stars of different colours which look equal to the naked eye will not look equal in the telescope . The red or yellow star will look relatively brighter in a telescope ; the green or bluish one ...
... conclusion from all this is that two stars of different colours which look equal to the naked eye will not look equal in the telescope . The red or yellow star will look relatively brighter in a telescope ; the green or bluish one ...
Other editions - View all
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...