Popular Astronomy, Volume 55Goodsell Observatory of Carleton College, 1947 |
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Page 143
... less than 84 ° , at least on the average . The value of i , is less certain and perhaps does not even differ from . The dark cusp - bands may well cause an illusion of projecting cusps . Sometimes the terminator has been thought to show ...
... less than 84 ° , at least on the average . The value of i , is less certain and perhaps does not even differ from . The dark cusp - bands may well cause an illusion of projecting cusps . Sometimes the terminator has been thought to show ...
Page 270
... less when the diameter of the field is constricted to 10 ' or less , as is the case in most lunar observations . How likely is it that 10 out of 11 terrestrial meteors should have their luminous paths wholly within the field of view ...
... less when the diameter of the field is constricted to 10 ' or less , as is the case in most lunar observations . How likely is it that 10 out of 11 terrestrial meteors should have their luminous paths wholly within the field of view ...
Page 274
... less , and 4 outlying ones were placed at a distance of about 50 feet , in 4 directions , to give us the regional readings . The readings gave a very definite pattern , with a NW - SE axis , 5 feet in length , where the readings were ...
... less , and 4 outlying ones were placed at a distance of about 50 feet , in 4 directions , to give us the regional readings . The readings gave a very definite pattern , with a NW - SE axis , 5 feet in length , where the readings were ...
Contents
CONTENTS | 95 |
EDMOND HALLEY AND HIS TIMES SIR H SPENCER JONES 2 | 116 |
THE UTILITY OF METEORS HARLOW SHAPLEY | 214 |
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Adams Airy altitude American angle appear Astronomical Society atmosphere brightness celestial Challis Chgo comet computed coördinate cycle degrees diameter discovery distance earth eclipse Ephemeris epicycle error fall granulation Harvard Hist Hven July June Jupiter later latitude lunar maculae magnetic magnitude Mars maximum mean measure meeting Mercury Meteoritic Falls Meteoritical Society meteors Mexico miles Miss moon motion Mount Wilson Mount Wilson Observatory Neptune Newton Notes nova observations OCCULTATIONS VISIBLE October orbit particles period phenomena photographic photosphere planet planetary position Professor Ptolemy Puente-Ladron radiant radius reports Saturn seen shower solar spectrum spot stellar stellar magnitude sun's sunspot surface tables Taur telescope theory tion trail Tycho Brahe U. S. Naval Observatory U.S. Nat University Uranus Variable Star variations velocity Venus Verrier VISIBLE IN LONGITUDE visual Williams Bay Yerkes Observatory