Small "beads" of sunlight that shine through the valleys
on the limb of the Moon in the instant before (or after) totality in a solar
eclipse. They are named after the English astronomer Francis Baily who first drew attention to them in 1836.
|Baily's beads seen during a total-annular eclipse
on May 30, 1984. Photo by Richard Sweetsir
See also diamond ring effect.