The Stars: A Study of the Universe |
From inside the book
Results 1-5 of 11
Page 12
... revolving round it . Thus was discovered a new order of bodies in the universe , telescopic binary systems , pairs of stars , or stars and planets , revolving round each other by their mutual gravitation ; although no telescope that it ...
... revolving round it . Thus was discovered a new order of bodies in the universe , telescopic binary systems , pairs of stars , or stars and planets , revolving round each other by their mutual gravitation ; although no telescope that it ...
Page 13
... revolving round each other , though they appear in our telescopes as single . The study of variable stars from being little more than a scientific amusement , has grown into an im- portant branch of astronomical science . It has now ...
... revolving round each other , though they appear in our telescopes as single . The study of variable stars from being little more than a scientific amusement , has grown into an im- portant branch of astronomical science . It has now ...
Page 102
... revolving round it , was naturally suggested even to the earliest observers . But it was impossible to test this theory until recent times . Careful observation showed changes in the period be- tween the eclipses , which , although not ...
... revolving round it , was naturally suggested even to the earliest observers . But it was impossible to test this theory until recent times . Careful observation showed changes in the period be- tween the eclipses , which , although not ...
Page 106
... revolving round each other . Then Prof. G. W. Myers , of Indiana , worked out a very elaborate mathematical theory to explain the variations , which is not less . remarkable for its ingenuity than for the curious na- ture 106 VARIABLE ...
... revolving round each other . Then Prof. G. W. Myers , of Indiana , worked out a very elaborate mathematical theory to explain the variations , which is not less . remarkable for its ingenuity than for the curious na- ture 106 VARIABLE ...
Page 108
... revolving round the bright star . But suppose that we have two nearly equal stars , A and B , both bright , revolving round their common centre of gravity in a plane passing near our system . Then A will eclipse B , and , half a revolution ...
... revolving round the bright star . But suppose that we have two nearly equal stars , A and B , both bright , revolving round their common centre of gravity in a plane passing near our system . Then A will eclipse B , and , half a revolution ...
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...