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Baily's beads

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Baily's beads: see eclipse eclipse [Gr.,=failing], in astronomy, partial or total obscuring of one celestial body by the shadow of another. Best known are the lunar eclipses, which occur when the earth blocks the sun's light from the moon, and solar eclipses, occurring when the moon blocks the
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Baily's beads

Arc of bright spots seen during a total eclipse of the Sun, named for Francis Baily (1774–1844), the English astronomer who first called attention to them. Just before the Moon's disk completely covers the Sun, the narrow crescent of sunlight may be broken in several places by mountains and valleys on the edge of the Moon's disk; the resulting spots resemble a string of beads. The “diamond-ring effect” occurs when the very last rays of the Sun to be obscured look like a bright diamond on the solar corona.


Baily's beads [′bāl‚ēz ¦bēdz]
(astronomy)
Bright points of sunlight appearing around the edge of the moon just before and after the central phase of a total solar eclipse.


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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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