|Updated June 01, 2013
Solar eclipses occur when the Sun, Moon and Earth are perfectly aligned.
Baily grains are not visible on an eclipse of the moon, but during a solar eclipse by the Moon. During an annular eclipse of the sun can observe this phenomenon called the Baily beads.
The diamond ring or diamond Airy, is the last portion of the sun silhouetted behind the black disk of the moon. At this moment, this image looks like a ring with a diamond its brilliance of a thousand lights. It takes place just before or just after the eclipse.
Image: Total Eclipse of the Moon, we can see the beads Baily, flash red, diamond ring or diamond Airy, the Sun's chromosphere embellished coronal jets.
The annular eclipse or ring of fire
The ring of fire is the name given to an annular eclipse of the Sun by the Moon.
Image: here, a spectacular annular eclipse taken in January 1992.