 | 1797 - 618 σελίδες
...spots, or large portions of the surface, less luminous than the rest, turned alternately in cer-s tain directions, either towards or from us, will account...certainly need not look out for any other cause.' If it be alleged that the periods in the change of lustre of some stars, such as Algol, (3 Lyr?e, J... | |
 | 1797 - 616 σελίδες
...turned alternately in certain directions, either towards or from us, will account for all the phxnomena of periodical changes in the lustre of the stars,...certainly need not look out for any other cause.' If it be alleged that the periods in the change of lustre of some stars, such as Algol, ß Lyrae, i... | |
 | 1823 - 848 σελίδες
...certain directions, cither towards or from us, will account for the phenomena of periodical changea in the lustre of the stars, so satisfactorily, that...certainly need not look out for any other cause." If it be alleged that the periods in the change of lustre of some »tars, such as Algol, ß Lyrx, )... | |
 | Elijah Hinsdale Burritt - 1838 - 350 σελίδες
...stars revolve, like the sun and planets, about an axis. " Such a motion," says the elder Herschel, " may be as evidently proved, as the diurnal motion...so satisfactorily, that we certainly need not look for any other cause." , 2. DOUBLE STARS. — On examining the stars with telescopes of considerable... | |
 | 1840 - 460 σελίδες
...angles, and thus produce a gradual variation in its brilliancy. Sir W. Herschel says, " Such a motion may be as evidently proved as the diurnal motion of...so satisfactorily, that we certainly need not look for any other cause." Sir Isaac Newton thought that the sudden blaze of some stars may have been occasioned... | |
 | Dionysius Lardner - 1846 - 580 σελίδες
...of the surface less luminous than the rest, turned alternately in certain directions, either toward or from us, will account for all the phenomena of...so satisfactorily, that we certainly need not look for any other cause." The analogy of the spots on the sun, however, is subject to an objection. They... | |
 | Dionysius Lardner - 1846 - 580 σελίδες
...of the surface less luminous than the rest, turned alternately in certain directions, either toward or from us, will account for all the phenomena of periodical changes in the lustre of the stars = o satisfactorily, that we certainly need not look for any other cause." The analogy of the spots... | |
 | Dionysius Lardner - 1846 - 614 σελίδες
...surface less luminous than , turned alternately in certain directions, either toward or from us, will for all the phenomena of periodical changes in the lustre of the stars actorily, that we certainly need not look for any other cause." malogy of the spots on the sun, however,... | |
 | Thomas Milner - 1848 - 892 σελίδες
...portions of the surface less luminous than the rest, turned alternately in certain directions cither towards or from us, will account for all the phenomena...certainly need not look out for any other cause." We now proceed to notice the Multiple stars — a class unknown until a very recent date. Soon after... | |
 | Elijah Hinsdale Burritt - 1856 - 362 σελίδες
...than the rest, turned alternately in certain directions either toward, or from us, will account I'or all the phenomena of periodical changes in the lustre...satisfactorily, that we certainly need not look out far any other cause." It Is said that the famous astronomer L.ilimde, who died at Paris in 1807, was... | |
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It appears to me now, that we cannot refuse to admit such a motion, and that indeed it may be as evidently proved as the diurnal motion of the earth. Dark spots, or large portions of the surface less luminous than the rest, turned alternately in certain... 
