Baily-s-beads meaning

bālēz
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.
pluralNoun
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Bright spots visible along the rim of the moon during a total eclipse of the sun, just before or after totality, caused by sunlight passing through the moon's valleys and clefts.
noun
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A discontinuous, beadlike pattern of sunlight visible along the edge of the darkened Moon's disk in the seconds before and after totality during a full solar eclipse. The pattern is caused by light shining through the uneven lunar topography silhouetted along the curved edges of the disk. Baily's beads are named after British astronomer Francis Baily (1774–1844), who first observed them in 1836.
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Origin of baily-s-beads

  • After Francis Baily (1774–1844), British astronomer who first observed them in 1836

    From American Heritage Dictionary of the English Language, 5th Edition