Ophiuchi] at the center .... seem to me to be undoubtedly dark structures, or obscuring masses in space, which cut out the light from the nebulous or stellar region behind them." There is a list of starless fields given in Appendix I of Webb's Celestial... The Depths of the Universe - Page 62by George Ellery Hale - 1924 - 98 pagesFull view - About this book
| Edward Livermore Burlingame, Robert Bridges, Alfred Sheppard Dashiell, Harlan Logan - 1924 - 952 pages
...Space is lacking to describe the hundreds of careful tests, both visual and photographic, which finally convinced Barnard of the existence of dark nebulae....in space, which cut out the light from the nebulous thanks to Doctor Henry Russell, a satisfactory explanation is already at hand. To understand it we... | |
| 1919 - 858 pages
...vacant areas or channels running north and south of the bright star [0 Ophiuchi] at the center .... seem to me to be undoubtedly dark structures, or obscuring...from the nebulous or stellar region behind them." There is a list of starless fields given in Appendix I of Webb's Celestial Objects, taken from the... | |
| Astronomical Society of the Pacific - 1921 - 776 pages
...regions and "rifts" in the Milky Way are not real vacancies among the stars, but dark nebulous matter or obscuring masses in space which cut out the light from the nebulous or stellar regions behind them. The existence of what are best termed dark nebular seems to be definitely proved... | |
| 1927 - 466 pages
...dark nebulae was AC RANYARD1 who says about the dark markings south and east of 6 Ophiuchi: ». . . seem to me to be undoubtedly dark structures, or obscuring masses in space. . .». Later on the dark regions of the sky were investigated by BARNABD who published a list* of 182... | |
| Tennessee Academy of Science - 1928 - 526 pages
...areas seen in a photograph of the region about Theta Ophiuchi by Professor Barnard, he said, "They seem to me to be undoubtedly dark structures, or obscuring...the nebulous or stellar region behind them." Barnard did not at first accept this view, but later became convinced from a study of his own photographs of... | |
| 1919 - 424 pages
...vacant areas or channels running north and south of the bright star [0 Ophiuchi] at the center .... seem to me to be undoubtedly dark structures, or obscuring...from the nebulous or stellar region behind them." There is a list of starless fields given in Appendix I of Webb's Celestial Objects, taken from the... | |
| Astronomical Society of the Pacific - 1922 - 412 pages
...regions and "rifts" in the Milky Way are not real vacancies among the stars, but dark nebulous matter or obscuring masses in space which cut out the light from the nebulous or stellar regions behind them. The existence of what are best termed dark nebula seems to be definitely proved... | |
| |