Diamond ring effect during total solar eclipseAdd to Cart Add to Lightbox Download
The “diamond ring effect” is visible in this photo taken during a total eclipse of the sun. The diamond ring effect, typically lasting only a few seconds, is visible at the beginning and end of totality. It is caused by sunlight passing through the valleys on the moon’s circumference edge, a phenomenon known as Baily’s beads. The diamond of the ring is formed when one of Baily's beads is much brighter than the others.
Also visible are solar prominences (electric pink in color). Solar prominences are formed from hot hydrogen gas rising from the lower regions of the sun’s atmosphere known as the
chromosphere. Rising from tens of thousands of miles above the sun’s surface, they can be seen past the moon during a total solar eclipse.
This photo was taken in Columbia Mo. at the Columbia Audubon Nature Sanctuary in Columbia, Mo. on August 21.
A solar eclipse occurs when a full moon passes between the sun and Earth and blocks the sun when they are in alignment with each other as seen from Earth. The astronomical term for this alignment is known as syzygy.
The August 21, 2017 eclipse was viewed by millions as it raced across the continental United States from Oregon to South Carolina. The last total eclipse in the continental United States was in 1979. The last total eclipse in Missouri was in 1869. While total solar eclipses will hit any one spot on Earth every 375 years, they take place somewhere about once every 18 months.
The next total eclipse to have its path through Missouri will occur in 2024.
- Diamond ring effect during total solar eclipse.jpg
- © John L. Dengler
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