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Partial phase of an annular eclipse (10/5/94)
Partial phase of the annular eclipse which occurred on May 10th 1994. The image was taken at 17:55 Universal Time (UT) when the Moon was occulting 47.7% of the Sun's disc. Annular eclipses occur when the Moon is near the farthest extent of its orbit around the Earth. As it appears smaller in the sky, it does not fully cover the solar disc during the eclipse, and a ring-shaped portion (annulus) of the Sun remains visible. When the Moon is nearer, it may completely obscure the Sun, causing a total eclipse. On average a third of all solar eclipses are annular.
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