Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Том 69American Philosophical Society, 1930 |
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Сторінка 413
... lines of ionized calcium . In a recent paper by J. A. Pearce and the writer in Monthly Notices for January , 1930 , it is conclusively shown that the diffuse matter in interstellar space , whose presence is indicated and its motion ...
... lines of ionized calcium . In a recent paper by J. A. Pearce and the writer in Monthly Notices for January , 1930 , it is conclusively shown that the diffuse matter in interstellar space , whose presence is indicated and its motion ...
Сторінка 435
... lines , and ( 2 ) in the heights , measured in kilometers , to which each line ascends . The intensities in the ... lines are much stronger in the chromospheric spectrum than they are in the sun . As the same lines are much stronger ...
... lines , and ( 2 ) in the heights , measured in kilometers , to which each line ascends . The intensities in the ... lines are much stronger in the chromospheric spectrum than they are in the sun . As the same lines are much stronger ...
Сторінка 439
American Philosophical Society. low - level lines at 250 km . elevation . Investigations in atomic structure tell that many atoms are involved in the intense high - level lines while many fewer atoms take part in the low- lying lines of ...
American Philosophical Society. low - level lines at 250 km . elevation . Investigations in atomic structure tell that many atoms are involved in the intense high - level lines while many fewer atoms take part in the low- lying lines of ...
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