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diamond ring effect

noun

, Astronomy.
  1. a phenomenon, sometimes observed immediately before and after a total eclipse of the sun, in which one of Baily's beads is much brighter than the others, resembling a diamond ring around the moon.


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Example Sentences

Instead, the moon is farther back, so a “ring of fire” will form around the moon’s edges and probably bring about the fiery “diamond ring” effect.

As the Moon started to move away, I snapped a picture of the diamond ring effect — when one bead of sunlight shines bright at the edge of the Moon.

The last glimmer of the sun gives way to a momentary sparkle known as the "diamond ring" effect just before the sun slips completely behind the moon, leaving only the aura of its outer atmosphere, or corona, visible in the darkness.

From Reuters

The last glimmer of the sun gives way to a momentary sparkle known as the "diamond ring" effect just before the sun slips completely behind the moon, leaving only the aura of its outer atmosphere, or corona, visible in the darkness.

From Reuters

As the deepest lunar valley passes across the face of the sun, the last ray of light flares out through it, creating what is called the diamond ring effect.

From Salon

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