Baily's beads

Also found in: Thesaurus, Medical, Legal, Encyclopedia, Wikipedia.

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 ?
With which natural phenomena are Baily's Beads associated?
Totally bored, totally disappointed and totally ready to launch a brick at the telly the next time some beardy weirdy started going on about Baily's beads, 1999, the DON'T Prof Brian corona or the cosmic spin.
Totality was short but this meant that the apparent diameter of the Moon would be only slightly larger than that of the Sun, so we should see impressive Baily's Beads, prominences and chromosphere.