| James Samuelson, William Crookes - 1865 - 874 páginas
...matter, or is it of the nature of either gas or cloud ? 3. Is a spot (including both umbra and penumbra) a phenomenon which takes place beneath the level of the sun's photosphere or above it. In answering the first of these it was shown that if the umbra is appreciably at a lower... | |
| Royal Society (Great Britain) - 1865 - 636 páginas
...or is it of the nature either of a gas or cloud ? (3) Is a spot (including both umbra and penumbra) a phenomenon which takes place beneath the level of the sun's photosphere or above it ? In answering the first of these, it was shown that if the umbra is appreciably at a lower... | |
| James Samuelson, Henry Lawson, William Sweetland Dallas - 1866 - 594 páginas
...matter, or is it rather of the nature of a cloud ? III. Is a spot, including both umbra and penumbra, a phenomenon which takes place beneath the level of the sun's photosphere or above it ? Now with regard to I., we know that the sun has an atmosphere, and the effect of the... | |
| 1868 - 836 páginas
...greater or less magnitude, either slowly sinking or suspended in equilibrio in a gaseous medium ; 3. A spot including both umbra and penumbra is a phenomenon...place beneath the level of the sun's photosphere. These gentlemen, in a communication to the Royal Society, mention that Ilofrath Schwabe has called... | |
| 1869 - 826 páginas
...greater or less magnitude, either slowly sinking or suspended in equilibrio in a gaseous medium ; 3. A spot including both umbra and penumbra is a phenomenon...place beneath the level of the sun's photosphere. These gentlemen, in a communication to tho Royal Society, mention that Hofrath Scliwube has called... | |
| 1869 - 832 páginas
...greater or less magnitude, either slowly sinking or suspended in equilibria in a gaseous medium ; 3. A spot including both umbra and penumbra is a phenomenon...place beneath the level of the sun's photosphere. These gentlemen, in a communication to tho Royal Society, mention that Ilofrath Schwabe has called... | |
| James Samuelson, William Crookes - 1871 - 616 páginas
...have, in summing up their recent researches, expressed the following opinion : — " Solar faculae, and probably also the whole photosphere, consist of...appearance of cyclonic motion in a spot, as if a solar V0L. VIII. (oS) — V0L. I. (NS) 2 M storm were taking place there ; this is shown in the following... | |
| Richard Anthony Proctor - 1871 - 552 páginas
...greater or less magnitude, either slowly sinking or suspended in equilibrium in a gaseous medium. 3. A spot including both umbra and penumbra is a phenomenon...place beneath the level of the Sun's photosphere. As respects the sequent series of researches by which Messrs. De La Rue, Stewart, and Loewy have endeavoured... | |
| Richard Anthony Proctor - 1871 - 550 páginas
...any permanent alteration. ' On these accounts,' say the inquirers, ' we are disposed to think that a spot, including both umbra and penumbra, is a phenomenon which takes place beneath the level of the brighter part of the Sun's photosphere.' Summing up the results of this portion of their researches,... | |
| Richard Anthony Proctor - 1872 - 576 páginas
...his small telescope and low power (30) had been able to det«t so many features of the Sun's surface. penumbra, is a phenomenon which takes place beneath the level of the brighter part of the Sun's photosphere.' Summing up the results of this portion of their researches,... | |
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