Popular Astronomy, Volume 58Goodsell Observatory of Carleton College, 1950 |
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Page 153
... Secchi in the description and classification of stellar spectra . It is interesting to note that Fr. Secchi was stationed at Georgetown College , Washington , D. C. , exactly one hundred years ago . His stay there was a very brief one ...
... Secchi in the description and classification of stellar spectra . It is interesting to note that Fr. Secchi was stationed at Georgetown College , Washington , D. C. , exactly one hundred years ago . His stay there was a very brief one ...
Page 158
... Secchi's first classifications appeared . In fact , Carpenter's scheme is quite similar to the Secchi classification , for he places in one group the red stars , which showed broad bands , in another , the white stars , featured by the ...
... Secchi's first classifications appeared . In fact , Carpenter's scheme is quite similar to the Secchi classification , for he places in one group the red stars , which showed broad bands , in another , the white stars , featured by the ...
Page 164
... Secchi's types that it is sometimes forgotten that it is to Professor Pickering and not to Fr. Secchi that the credit for this type belongs . In 1870 was published the first edition of Fr. Secchi's work , " Le Soleil . " The book is ...
... Secchi's types that it is sometimes forgotten that it is to Professor Pickering and not to Fr. Secchi that the credit for this type belongs . In 1870 was published the first edition of Fr. Secchi's work , " Le Soleil . " The book is ...
Contents
FR SECCHI AND STELLAR SPECTRA MARTIN F MCCARTHY S J | 153 |
STRUCTURE AND COMPOSITION OF CANYON DIABLO | 169 |
RADIO WHISTLES SIDNEY VAN DEN BERGH | 177 |
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AAVSO absolute magnitudes absorption Adams American angle appeared Arizona Astronomical Society atmosphere August Barringer Meteorite Crater bright California Canyon Diablo circle classification College comet coördinates curve density Department of Astronomy determined diameter Diedrich Director dome earth eclipse equator Greenwich Harvard Harvard College Observatory Hertzsprung Holden instrument interest iron July June Jupiter latitude Lick Observatory lines luminosity mass maximum meeting meteor Meteoritic Falls Meteoritical Society Mexico minor planets moon motion Mount Wilson mountain Museum node Notes Nova observed OCCULTATIONS VISIBLE paper parallaxes photographic plates present President Professor radial velocity radiation recent refractor Rosebrugh Russell Saturn Schmidt schreibersite Secchi servatory shows solar specimens spectra spectral class spectroscopic spectrum SS Cygni stellar Sunspot surface Taur tektites telescope temperature theory tion University Variable Star velocity VISIBLE IN LONGITUDE Yerkes Yerkes Observatory