The call of the stars; a popular introduction to a knowledge of the starry skies with their romance and legend (1919)
Kippax, John R. (John Robert), 1849-1922 · New York, London, G. P. Putnam's sons · leaf 352
r to be elevated above the general level,and are best seen near the edge of the solar disk. Thefaculse are the brightest parts of the Sun, and are espe-cially abundant and active in the vicinity of sun-spots.Unlike the spots, however, they are found everywhere,except in polar latitudes. Moreover, a… … Yerkes Observatory Plate XXII. A Large Solar Prominence (two views) (October lo, 1910) The Sun 291 spots increase and decrease about every eleven years.They are projections from a layer of prominent gases—the chromosphere—surrounding the photosphere.They are of a brilliant red colour—due to…
Stars · Constellations · Planets
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