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Baily's beads

   Also found in: Medical, Legal, Encyclopedia, Wikipedia 0.01 sec.
Baily's beads [ˈbeɪlɪz]
pl n
(Astronomy) the brilliant points of sunlight that appear briefly around the moon, just before and after a total eclipse
[named after Francis Baily (died 1844), English astronomer who described them]

Baily's beads  (blz)
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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Then spectacular bursts of the Sun's first rays cut through the night, making the spectacular Diamond Ring, followed by Baily's Beads as sun rays spike through the peaks on the surface of the Moon.
There is a chance that just before totality all but one of the Baily's Beads around the moon will vanish, creating an astonishing "diamond ring effect".
First there will be the specks of light round the blackness known as Baily's Beads which are formed by the last rays of sunshine cutting through moon valleys.
 
 
 
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