Nature, Količina 54Sir Norman Lockyer Macmillan Journals Limited, 1896 |
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Zadetki 1–3 od 78
Stran 46
... lines recorded in the spectra of the chromosphere and prominences , are next studied . Finally , the loci of absorption in the sun's atmosphere are considered . The inquiry into the chemical origins of the chromospheric and prominence lines ...
... lines recorded in the spectra of the chromosphere and prominences , are next studied . Finally , the loci of absorption in the sun's atmosphere are considered . The inquiry into the chemical origins of the chromospheric and prominence lines ...
Stran 332
... lines to the inch , and the other of about 6000. It happened , accidentally , that the grating with 3000 lines was the better of the two , in that it was more accurately ruled , and gave much finer definition upon the solar spectrum ...
... lines to the inch , and the other of about 6000. It happened , accidentally , that the grating with 3000 lines was the better of the two , in that it was more accurately ruled , and gave much finer definition upon the solar spectrum ...
Stran 333
... line , and the two lines would be mixed together and confused . In order , there- fore , to do anything like good work , it is necessary , not only to have a very great number of lines , but to have them spaced with most extraordinary ...
... line , and the two lines would be mixed together and confused . In order , there- fore , to do anything like good work , it is necessary , not only to have a very great number of lines , but to have them spaced with most extraordinary ...
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Academy acid alloys alternating current aluminium Amphipoda animals apparatus appears astronomical birds British carbon cells character chemical chemistry chromosphere College colour Committee connection contains Council Crustacea described effect electric engineering exhibited expedition experiments fact Geological give given illustrated important increase Institution interesting investigation J. J. Thomson Joseph Lister June kathode laboratory large number larvæ light London Lord Kelvin magnetic mathematical matter means measures ment metal meteorological method metric system mineral Museum Natural History Nicaragua Canal object observations Observatory obtained paper phosphorescent photographs physical plate present President produced Prof Professor published recent referred remarkable researches Röntgen rays Royal Society schools scientific South South Africa species specimens stars surface temperature theory tion tourmaline tube University University of Glasgow variation velocity volume