Baily's beads seen during a total-annular eclipse
on May 30, 1984. Photo by Richard Sweetsir.
Baily's beads are 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.