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 164
those of sunspots that were associated with small bright eruptions of Hx observed at Greenwich : - Jan. 23.5 Aug. 2.5 May 26.4 * Dec. 5.0 Feb. 27.0 * Mar. 4.4 Apr. 25.4 Aug. 25.4 * Oct. 6-9 Oct. 24.4 * An asterisk denotes that a ...
those of sunspots that were associated with small bright eruptions of Hx observed at Greenwich : - Jan. 23.5 Aug. 2.5 May 26.4 * Dec. 5.0 Feb. 27.0 * Mar. 4.4 Apr. 25.4 Aug. 25.4 * Oct. 6-9 Oct. 24.4 * An asterisk denotes that a ...
Page 191
... associated with the relative motion of two superposed streams of the same fluid . In cases where the fictitious surface of separation , or discontinuity , is sharp , or where the depth of the region of transition from one velocity to ...
... associated with the relative motion of two superposed streams of the same fluid . In cases where the fictitious surface of separation , or discontinuity , is sharp , or where the depth of the region of transition from one velocity to ...
Page 216
... associated with a given mass , a given radius and a given central density . But , if , instead , we choose a special form for the density - distribution for each specified value of the central density , then the distortions become a ...
... associated with a given mass , a given radius and a given central density . But , if , instead , we choose a special form for the density - distribution for each specified value of the central density , then the distortions become a ...
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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