 | 1874 - 800 Seiten
...Their spectrum is usually very simple, consisting of the four lines of hydrogen and the orange D' — hence the appellation hydrogenous. Occasionally the...problematical. They have been commonly looked upon as the debris and relics of eruptions, consisting of gases which have been ejected from beneath the solar... | |
 | Charles Augustus Young - 1881 - 340 Seiten
...Their spectrum is usually very simple, consisting of the four lines of hydrogen and the orange D" — hence the appellation hydrogenous. Occasionally the...problematical. They have been commonly looked upon as the debris and relics of eruptions, consisting of gases which have been ejected from beneath the solar... | |
 | Charles Augustus Young - 1881 - 338 Seiten
...hence .don hydrogenous. Occasionally the sodium ^nesium lines also appear, and that even near ttu *nmit of the clouds ; and this phenomenon was so much more...problematical. They have been commonly looked upon as the debris and relics of eruptions, consisting of gases which have been ejected from beneath the solar... | |
 | Charles Augustus Young - 1881 - 368 Seiten
...Their spectrum is usually very simple, consisting of the four lines of hydrogen and the orange Ds — hence the appellation hydrogenous. Occasionally the...the summit of the clouds ; and this phenomenon was BO much more frequently observed in the clear atmosphere of Sherman as to suggest that, if the power... | |
 | Joseph Anthony Gillet - 1882 - 496 Seiten
...spectrum Fig. u8. is usually very simple, consisting of the four lines of hydrogen and the orange D 3 : hence the appellation hydrogenous. Occasionally the sodium and magnesium lines also appear, even near the tops of the clouds. 200. Eruptive Prominences. — The eruptive prominences ordinarily... | |
 | Charles Augustus Young - 1895 - 402 Seiten
...usually very simple, consisting of the four lines of hydrogen, and the three of helium, with H and K. Occasionally the sodium and magnesium lines also appear,...problematical. They have been commonly looked upon as the debris and relics of eruptions, consisting of gases which have been ejected from beneath the solar... | |
 | Charles Greeley Abbot - 1911 - 536 Seiten
...usually very simple, consisting of the four lines of hydrogen, and the three of helium, with H and K. Occasionally the sodium and magnesium lines also appear,...problematical. They have been commonly looked upon as the debris and relics of eruptions, consisting of gases which have been ejected from beneath the solar... | |
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D' — hence the appellation hydrogenous. Occasionally the sodium and magnesium lines also appear, and that even near the summit of the clouds; and this phenomenon was so much more frequently observed in the clear atmosphere of Sherman as to suggest that,... 