Nature, Količina 93Sir Norman Lockyer Macmillan Journals Limited, 1914 |
Iz vsebine knjige
Zadetki 1–3 od 79
Stran 121
... ASTRONOMICAL COLUMN . ASTRONOMICAL OCCURRENCES FOR APRIL : - April 3 15h . 6m . Mars in conjunction with the Moon ( Mars 2 ° o ' S. ) . 4. 4h . 28m . Neptune in conjunction with the Moon ( Neptune 4 ° 30 ′ S. ) . 5 . 23h . om . 6. 19h ...
... ASTRONOMICAL COLUMN . ASTRONOMICAL OCCURRENCES FOR APRIL : - April 3 15h . 6m . Mars in conjunction with the Moon ( Mars 2 ° o ' S. ) . 4. 4h . 28m . Neptune in conjunction with the Moon ( Neptune 4 ° 30 ′ S. ) . 5 . 23h . om . 6. 19h ...
Stran 459
... Astronomical Observatory at Ottawa , Canada . At present its chief instrument is a 15 - in . refractor . This has been used mainly for radial velocity determina- tions , and for some time its limitations have been keenly felt . Using ...
... Astronomical Observatory at Ottawa , Canada . At present its chief instrument is a 15 - in . refractor . This has been used mainly for radial velocity determina- tions , and for some time its limitations have been keenly felt . Using ...
Stran 539
... astronomical phenomena vestigated . Dr. Douglass states that the method of measurement consisted of determining the thickness of each annual ring in millimetres along some typical radial line . The average age of the trees ( yellow pine ) ...
... astronomical phenomena vestigated . Dr. Douglass states that the method of measurement consisted of determining the thickness of each annual ring in millimetres along some typical radial line . The average age of the trees ( yellow pine ) ...
Vsebina
Appleyard Direct Measurement of the Napierian Base 231 | 24 |
Archbold T R Device for filling Ore Sacks | 50 |
Physics 428 | 127 |
7 preostalih delov ni prikazanih
Druge izdaje - Prikaži vse
Pogosti izrazi in povedi
absolute magnitude acid æther appears April Astronomical atomic atomic weight balloon brightness British cent chemical chemistry College colour committee contains density described discussion edition effect electric electrons Engineering expedition experiments fact Funafuti Geological giant stars given gives heat Hermann et Fils illustrated important increase industry interesting investigation J. J. Thomson laboratory large number larvæ lectures lines London magnetic magnitude March matter means measures ment metals Meteorological method motion Museum National Physical Laboratory nature observations Observatory obtained origin paper parallax period photographs physical plants plates present Price problems produced Prof published radiation radium recent rocks ROYAL INSTITUTION Royal Society schools scientific sodium amide solar species spectra spectral classes spectrum stars of Class surface temperature theory tion tube University velocity volume W. H. Bragg