Publications of the Astronomical Society of the Pacific, Volumes 3-4Astronomical Society of the Pacific, 1891 |
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Results 6-10 of 45
Page 73
... measure , be stopped , so that , after the interval 4 , there will be comparatively few returning streams ; a direct result of this state of things is to allow free passage for the outgoing streams , which , since there are now but few ...
... measure , be stopped , so that , after the interval 4 , there will be comparatively few returning streams ; a direct result of this state of things is to allow free passage for the outgoing streams , which , since there are now but few ...
Page 101
... measure and its real length in the north- south direction therefore about 50,000 miles . h October 6 , 4 P. M .: A new spot has appeared in the southwestern part of the sun's surface . October 8 , 10 , 12 , 13 , 16 , 17 , 18 : No sun ...
... measure and its real length in the north- south direction therefore about 50,000 miles . h October 6 , 4 P. M .: A new spot has appeared in the southwestern part of the sun's surface . October 8 , 10 , 12 , 13 , 16 , 17 , 18 : No sun ...
Page 150
... researches - as in celestial spectroscopy and photography and in heat- measurements . The performance of reflectors and of refractors in such work was compared and the conclusion was drawn that a large 150 Publications of the.
... researches - as in celestial spectroscopy and photography and in heat- measurements . The performance of reflectors and of refractors in such work was compared and the conclusion was drawn that a large 150 Publications of the.
Page 151
... measure- ment of motion in the line of sight by means of the distortion of lines in promin- ences and spots . Photography was next referred to , especially in connection with the work on stellar spectra carried on at the Harvard ...
... measure- ment of motion in the line of sight by means of the distortion of lines in promin- ences and spots . Photography was next referred to , especially in connection with the work on stellar spectra carried on at the Harvard ...
Page 168
... measurements . Maria : There is ample scope for useful work in connection with these monotonous , dark regions , which has not , as yet , been attempted systematically , except in the case of the Mare Seren- itatis , and to a more ...
... measurements . Maria : There is ample scope for useful work in connection with these monotonous , dark regions , which has not , as yet , been attempted systematically , except in the case of the Mare Seren- itatis , and to a more ...
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Common terms and phrases
angle aperture appears Astronomical Astronomical Society atmosphere August axis bright BURCKHALTER California Street Catalogue Chicago Section chronometer Comet Committee copies corona coronal pole crater dark diameter Directors disc distance drawings E. E. BARNARD eclipse elected elongated equator equatorial exposure eye-piece HOLDEN inches instrument J. M. SCHAEBERLE July Jupiter Jupiter's KEELER latitude Library Lick Observatory light limb London longitude lunar magnitude means meeting meridian meridian circle meteors minutes Miss CLERKE MOLERA Moon Mount Hamilton nebula negatives object observations obtained Pacific parallax Paris photographic PIERSON planet plates polar position present Prof Professor WEINEK proper motions Publications radiant rays reference book right ascension ring San Francisco satellite SCHMIDT Secretary seen shadow solar spectra spectrum spot stars stellar sun-spots sun's telescope temperature tion TRANSIT OF MERCURY U. S. Naval Observatory University visible W. H. S. MONCK W. W. CAMPBELL Washington Zodiacal light