Baily's beads

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Bai·ly's beads

Dots or patches of sunlight visible along the edge of the darkened moon's disk in the seconds before and after totality during a full solar eclipse, caused by sunlight passing through valleys in the moon's uneven topography.

[After Francis Baily (1774-1844), British astronomer who first observed them in 1836.]

Baily's beads

pl n
(Astronomy) the brilliant points of sunlight that appear briefly around the moon, just before and after a total eclipse
[C19: named after Francis Baily (died 1844), English astronomer who described them]

Bai′ly's beads′

(ˈbeɪ liz)
spots of sunlight encircling the moon immediately before and after a total solar eclipse.
[1865–70; after Francis Baily (1774–1844), English astronomer]
References in periodicals archive ?
And here are Bailey's Beads (brightish beads of sunlight bending ever-so-slightly around the moon's mass through rugged valleys all around its limb).
Wolverton is author of the novel Bailey's Beads and two collections of poetry, Black Slip and the upcoming Mystery Bruise.
I saw the glittering Bailey's Beads and the sparkling Diamond Ring effect, just before the disc of the moon obliterated the sun completely.