A solar eclipse occurs when the moon passes between the Earth and the Sun, partially or completely obscuring the Sun's image. When the moon completely covers the Sun, a ring of light is all that is visible; this is called the Ring of Fire. The May 20 eclipse was visible from the Chinese coast to the Western United States, and it was the first solar eclipse in the United States in the 21st century. The eclipse was also annular, hence the ring that formed when the moon's path crossed completely over the sun.
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| Animation of the 2012 eclipse |
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Ringed shadows formed by the eclipsed Sun's light passing through trees.
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