Baily's beads


  • Webster's Revised Unabridged Dictionary
    • Baily's beads (Astron) A row of bright spots observed in connection with total eclipses of the sun. Just before and after a total eclipse, the slender, unobscured crescent of the sun's disk appears momentarily like a row of bright spots resembling a string of beads. The phenomenon (first fully described by Francis Baily, 1774 -- 1844) is thought to be an effect of irradiation, and of inequalities of the moon's edge.
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In literature:

The black drop seems to bear a family resemblance, so to speak, to the phenomenon of Baily's beads.
"Astronomy of To-day" by Cecil G. Dolmage