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 84
... direction of H might be found from the effects of compression which resulted in folding . Its direction was , therefore , parallel to the dip of the strata , and the other horizontal component was parallel to the strike . With the first ...
... direction of H might be found from the effects of compression which resulted in folding . Its direction was , therefore , parallel to the dip of the strata , and the other horizontal component was parallel to the strike . With the first ...
Page 88
... direction . Elsewhere a fault would die away , and a little distance away its place would be taken by some conjugate system of fractures quite oblique to the normal direction for the district . These fractures in different directions ...
... direction . Elsewhere a fault would die away , and a little distance away its place would be taken by some conjugate system of fractures quite oblique to the normal direction for the district . These fractures in different directions ...
Page 109
... direction to 1918 or 1919 and in a positive direction afterwards with no breach in continuity in 1915. The equinox correction is found to turn approximately at the same date as the fluctuation in rotation . A comparison of graphs ...
... direction to 1918 or 1919 and in a positive direction afterwards with no breach in continuity in 1915. The equinox correction is found to turn approximately at the same date as the fluctuation in rotation . A comparison of graphs ...
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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