The Observatory, Volume 56Editors of the Observatory, 1933 Some vols. for 1886- include a special issue: Annual companion to the Observatory. |
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Page 7
... planet at the telescope , and also all the observations of Mercury are recorded as belonging to the centre ... planet was fully illuminated and 2/3 of the semidiameter when the planet appeared as an extremely narrow crescent . The ...
... planet at the telescope , and also all the observations of Mercury are recorded as belonging to the centre ... planet was fully illuminated and 2/3 of the semidiameter when the planet appeared as an extremely narrow crescent . The ...
Page 246
... planet's atmospheres . The most striking of these was that near A6190 in the spectra of Jupiter and Saturn and ... planet will be crossed by bands of oxygen and water - vapour . The more of our air the planet's light encounters , the ...
... planet's atmospheres . The most striking of these was that near A6190 in the spectra of Jupiter and Saturn and ... planet will be crossed by bands of oxygen and water - vapour . The more of our air the planet's light encounters , the ...
Page 247
... planet's nearness to the Sun , but the less refrangible region is fairly accessible and has been observed at Flagstaff as far as à 9000. As might be expected it shows no indica- tions of planetary absorption . No attempt has been made ...
... planet's nearness to the Sun , but the less refrangible region is fairly accessible and has been observed at Flagstaff as far as à 9000. As might be expected it shows no indica- tions of planetary absorption . No attempt has been made ...
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Common terms and phrases
absorption appears astrographic Astronomer Royal atmosphere atom bands bright BRITISH ASTRONOMICAL ASSOCIATION calcium Cambridge Cape catalogue central intensities centre chromosphere clock colour comet comparison stars computed correction corresponding craters Crommelin curve Decl density determined discussion distance double stars Earth eclipse effect electrons emission ephemeris equation equatorial Eros frequency galaxies George Darwin give given Greaves Greenwich hydrogen instrument interest investigation ionisation Jupiter km./sec latitude layer light lines longitude magnetic magnitude mean measured meridian meteorite meteors method motion nebulæ observations Observatory obtained orbit oscillator paper period photographs planet planetary plates position possible present President probable error Prof Professor Quadrantids radial velocities radiation Right Ascension rotational speed Sir Arthur Eddington Sir Frank Dyson slide Solar Activity spectra spectrograph spectrum spot Steavenson stellar Sun's sunspot surface tables telescope temperature theory University variable variable stars variation wave-length zero