Popular Astronomy, Volume 51Goodsell Observatory of Carleton College, 1943 |
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Page 96
... appears to lie several hundred feet below the level of the general terrane outside the rim . The crater is described as being a mile or more in diameter , with a con- spicuous rim . The rim shows unmistakably in the photographs , as ...
... appears to lie several hundred feet below the level of the general terrane outside the rim . The crater is described as being a mile or more in diameter , with a con- spicuous rim . The rim shows unmistakably in the photographs , as ...
Page 267
... appears very possible . Cyrus , Smith , and Shutts found no well - evidenced changes in the brightness of the bright spots along the west edge of the crater . Shutts and Smith suspected that one area on the floor was lighter at 4h 35m ...
... appears very possible . Cyrus , Smith , and Shutts found no well - evidenced changes in the brightness of the bright spots along the west edge of the crater . Shutts and Smith suspected that one area on the floor was lighter at 4h 35m ...
Page 570
... appears to satisfy the assigned period of approximately 680 days , although the range in variation is relatively small . R Geminorum is due for a rapid rise to maximum during the next three weeks . With a period only a few days longer ...
... appears to satisfy the assigned period of approximately 680 days , although the range in variation is relatively small . R Geminorum is due for a rapid rise to maximum during the next three weeks . With a period only a few days longer ...
Contents
Frontispiece Plate 1 The Moon | 9 |
The Moon Wm W Payne | 16 |
Concerted Observation of the Aurora M A Veeder | 22 |
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altitude American angle appears asteroids Astronomical Society ataxite atmosphere August brighter brightness catalogs celestial colour comet Copernican Copernicus Cygni December determined diameter distance Earth eclipse Ephemeris equinox error estimates explosion eyepiece fall February feet fireball given Goodsell Observatory Greenwich Harlow Shapley Harvard Harvard College Observatory January Jupiter latitude light curve longitude lunar magnitude March Mare Imbrium Mars mass mathematics maximum meteorite method miles Moon Moon's motion navigation nebulae Notes Nova object observations obtained occultation orbit OTERMA parallax path period photographic planet plates Pleione POPULAR ASTRONOMY position present probably Professor proper motions reports rotation Saturn SCRIPTA MATHEMATICA seen siderites solar spectral spectral type spectroscopic sphere SS Cygni stellar surface telescope theory tion Tucson University Variable Star velocity Venus visible visual visual magnitude volume