Popular Astronomy, Volume 59Goodsell Observatory of Carleton College, 1951 |
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Page 38
... planet setting 1h 38m after the Sun. The other eastern or evening elongations will be on August 3 and November 27. To find the planet one should look somewhat south of the place where the Sun has set , from a few days before until ...
... planet setting 1h 38m after the Sun. The other eastern or evening elongations will be on August 3 and November 27. To find the planet one should look somewhat south of the place where the Sun has set , from a few days before until ...
Page 39
... planets , Mercury and Venus , differ from year to year . Some years Mars is with us but during others is absent from our sky ; the tilt of Saturn's rings changes , altering the appearance of the planet greatly ; but the giant planet ...
... planets , Mercury and Venus , differ from year to year . Some years Mars is with us but during others is absent from our sky ; the tilt of Saturn's rings changes , altering the appearance of the planet greatly ; but the giant planet ...
Page 50
... planet having a mean surface temperature of ten degrees Centigrade might , in a billion years , have that temperature reduced to minus ten degrees Centigrade , changing drastically the probability of habitation . Meanwhile , a planet ...
... planet having a mean surface temperature of ten degrees Centigrade might , in a billion years , have that temperature reduced to minus ten degrees Centigrade , changing drastically the probability of habitation . Meanwhile , a planet ...
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