Popular Astronomy, Volume 59Goodsell Observatory of Carleton College, 1951 |
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Page 112
... fact that it deals with ideas which are only beginning to become current . Rocket propulsion in recent years has ... facts . The writer shows that he is at home in this field . His earlier works , " Rockets and Space Travel " for ...
... fact that it deals with ideas which are only beginning to become current . Rocket propulsion in recent years has ... facts . The writer shows that he is at home in this field . His earlier works , " Rockets and Space Travel " for ...
Page 196
... fact that even though I have de- voted practically all my time since November , 1923 , to meteorites I have never been fortunate enough to see one hit the earth . But estimates cal- culated to establish the frequency of meteors observed ...
... fact that even though I have de- voted practically all my time since November , 1923 , to meteorites I have never been fortunate enough to see one hit the earth . But estimates cal- culated to establish the frequency of meteors observed ...
Page 240
... fact need , an audience , and in particular one which is well in- formed . Mathematics certainly has progressed with a very limited audience comprised almost entirely of its own devotees , and in fact with a some- what over - awed and ...
... fact need , an audience , and in particular one which is well in- formed . Mathematics certainly has progressed with a very limited audience comprised almost entirely of its own devotees , and in fact with a some- what over - awed and ...
Contents
JOHN LESLIE COMRIE 18931950 CHARLES H SMILEY | 115 |
LONGFOCUS PHOTOGRAPHIC ASTROMETRY CONTINUED | 129 |
GALILEO THE ASTRONOMER GEORGIO ABETTI | 138 |
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AAVSO absolute magnitude acceleration altitude American angle appear asteroids Astr astrometric Astronomical Society August binaries bright California Carleton College central chondrite cohenite comet components computed crater curve CURVIN H diagonal distance earth effect Ephemeris error eyepiece figures film fireball fringe galaxy Gingrich given Goodsell Observatory Harvard instruments iron January Jour June Jupiter kamacite latitude light longitude lunar Mars mass maximum measured meteor meteorite Meteoritical Society Mexico Milky Moon Moon's Mount Wilson nebulae night node Notes Nova object observations Observatory obtained OCCULTATIONS VISIBLE octahedrite optical parallax path photographic planet plates plessite POPULAR ASTRONOMY position present prism Professor proper motion reference stars reports right ascension rotation saros Saturn schreibersite siderite slits solar eclipses specimen spectra spectrum stellar subclass Sunspot surface symbols Table taenite telescope tion troilite University Variable Star velocity Venus