...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...

...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...

...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...

...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...

...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...

...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...

...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...

...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...

...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,...

...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,...