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nences in eclipses; and that the gaseous corona
surrounds all of these, and extends to vast
distances outside the sun’s visible surface.
FOOTNOTES:
[1] Rosa Ursina , by C. Scheiner, fol .;
Bracciani, 1630.
[2] R. S. Phil. Trans ., 1774.
[3] Ibid , 1783.
[4] Observations on the Spots on the
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