...tracts 1000 miles long to continuous complicated and heapy ridges 40,000 miles and more in length, aud 1000 to 4000 miles broad. By the frequent meeting...to the areas and forms of the irregular spots with penumbi :> . They are never regularly arched, and never formed in straight bands, but always devious...

...mountains. When minutely studied, the ridges appear prominent in cusps and depressed into hollows. By the frequent meeting of the bright ridges, spaces...to the areas and forms of the irregular spots with penumbrae. Ridges of this kind often embrace and inclose a spot, though not very closely, the spot...

...mountains. When minutely studied, the ridges appear prominent in cusps and depressed into hollows. By the frequent meeting of the bright ridges, spaces...to the areas and forms of the irregular spots with penumbrae. Ridges of this kind often embrace and inclose à spot, though not very closely, the spot...

...brilliant parts of the sun ; they appear of all magnitudes, from barely discernible softly gleaming narrow tracts 1000 miles long to continuous complicated...and heapy ridges 40,000 miles and more in length, and 1000 to 4000 miles broad. By the frequent meeting of the bright ridges, spaces of the sun's surface...

...mountains. When minutely studied, the ridges appear prominent in cusps and depressed into hollows. By the frequent meeting of the bright ridges, spaces...various magnitudes, and forms somewhat corresponding tc the areas and forms of the irregular spots with penumbrae. Ridges of this kind often embrace and...

...thereabout than elsewhere on the limb, though everywhere traceable in good observing weather. Faculae appear of all magnitudes ; and Professor Phillips,...tracts, 1000 miles long, to continuous, complicated, and hcapy ridges, 40,000 miles and more in length, 1000 to 4000 miles broad. By the frequent meeting of...

...Faculae appear of all magnitudes, and range from barely discernible, softly-gleaming narrow tracts, 1,000 miles long, to continuous, complicated, and heapy ridges, 40,000 miles and more in length, and 1,000 to 4,000 miles broad. Let us next inquire into the nature of this brilliantly shining envelope....

...thereabout than elsewhere on the limb, though everywhere traceable in good observing weather. Faculae appear of all magnitudes ; and Professor Phillips,...quoting, has observed them from barely discernible, softly gleaming, narrow tracts 1000 miles long, to continuous, complicated, heapy ridges 40,000 miles...

...thereabout than elsewhere on the limb, though everywhere traceable in good observing weather. Faculae appear of all magnitudes ; and Professor Phillips,...to the areas and forms of the irregular spots with penumbrae. They are never regularly arched, and Fig 13.—Suu-spots surrounded by a platform of facula?....

...mountains. When minutely studied, the ridges appear prominent in cusps and depressed into hollows. By the frequent meeting of the bright ridges, spaces...various magnitudes, and forms somewhat corresponding tc the areas and forms of the irregular spots with penumbra, llidges of this kind often embrace and...