The heavens above: a popular handbook of astronomy (1882)
Gillet, J. A. (Joseph Anthony), 1837-1908 · New York, Chicago, Potter, Ainsworth, & Co. · leaf 228
ch resembling the cloud-shadows whichradiate from the sun before a thunder-shower; but theedges of these rifts are frequently curved, showing them ASTRONOM^■. to be something else than real shadows. Sometimes thereare narrow bright streamers, as long as the rifts, or longer.These are often… … Fig. 225. tendency to accumulations above the middle latitudes, orspot-zones; so that, speaking roughly, the corona shows adisposition to assume the form of a quadrilateral or four-rayed star, though in almost every individual case this formis greatly modified by abnormal streamers at some point…
Astronomy
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