'Ring of fire' eclipse
Millions of people across Asia and the western United States watched as a rare "ring of fire" eclipse crossed their skies.
Solar Eclipse
A shot of the sun as it is about to set behind the mountains during the solar eclipse, Sunday, May 20, 2012, in Tucson.
Solar Eclipse
Tony Vega, left, and Elizabeth Vega watch the solar eclipse on the UA Mall.
Solar Eclipse
Shoshone Bessinger, left, Danni Johnston, center, and Edward Argraves watch the solar eclipse on the UA Mall.
Solar Eclipse
In this 2012 file photo, Karen Arnold Ewing gets a good look at the solar eclipse through a telescope on the UA Mall.
Solar Eclipse
Many spectators gathered on the UA Mall to watch the solar eclipse.
Solar Eclipse
A partial solar eclipse descends in the sky behind crosses in an Ixonia, Wis. in a farm field Sunday, May 20, 2012. The annular eclipse, in which the moon passes in front of the sun leaving only a golden ring around its edges, was visible to wide areas across China, Japan and elsewhere in the region before moving across the Pacific to be seen in parts of the western United States. (AP Photo/Wisconsin State Journal, John Hart)
Eclipse
The moon begins to partially block the sun as the sun sets at 8:02 p.m. silhouetting a crane just west of downtown Houston during a rare solar eclipse known as the "ring of fire" Sunday, May 20, 2012, in Houston. The annular eclipse, in which the moon passes in front of the sun leaving only a golden ring around its edges, was visible to wide areas across China, Japan and elsewhere in the region before moving across the Pacific to be seen in parts of the western United States. (AP Photo/Houston Chronicle, Johnny Hanson)
Annular Solar Eclipse
The annular solar eclipse produces flare through a lens Sunday, May 20, 2012, in Alameda, Calif. The annular eclipse, in which the moon passes in front of the sun leaving only a golden ring around its edges, was visible to wide areas across China, Japan and elsewhere in the region before moving across the Pacific to be seen in parts of the western United States. (AP Photo/Ben Margot)
Photo Gallery Ring of Fire Eclipse
An annular solar eclipse appears at a waterfront park in Yokohama, near Tokyo, Monday, May 21, 2012. The annular eclipse, in which the moon passes in front of the sun leaving only a golden ring around its edges, was visible to wide areas across China, Japan and elsewhere in the region before moving across the Pacific to be seen in parts of the western United States. (AP Photo/Shuji Kajiyama)
Japan Ring of Fire Eclipse
An annular solar eclipse is visible from Machida, on the outskirts of Tokyo, Monday, May 21, 2012. The annular solar eclipse, in which the moon passes in front of the sun leaving only a golden ring around its edges, was visible to wide areas across the continent Monday morning. (AP Photo/Itsuo Inouye)
Philippines Ring of Fire Eclipse
An annular solar eclipse is partially seen at sunrise Monday, May 21, 2012, from the coastal township of Gumaca, Quezon province, 187 kilometers (116 miles) southeast of Manila, Philippines. Millions of Asians watched as a rare "ring of fire" eclipse crossed their skies early Monday. The annular eclipse, in which the moon passes in front of the sun leaving only a golden ring around its edges, was visible to wide areas across the continent. (AP Photo/Bullit Marquez)
Ring Of Fire Eclipse
The annular eclipse is visible through binoculars in Sacramento, Calif., Sunday, May 20, 2012. The annular eclipse, in which the moon passes in front of the sun leaving only a golden ring around its edges, was visible to wide areas across China, Japan and elsewhere in the region before moving across the Pacific to be seen in parts of the western United States. (AP Photo/The Sacramento Bee, Randy Pench)Â
Photo Gallery Ring Of Fire Eclipse
Hikers watch an annular eclipse from Papago Park in Phoenix on Sunday, May 20, 2012. The annular eclipse, in which the moon passes in front of the sun leaving only a golden ring around its edges, was visible to wide areas across China, Japan and elsewhere in the region before moving across the Pacific to be seen in parts of the western United States. (AP Photo/The Arizona Republic, Michael Chow)
Annular Solar Eclipse
This Sunday, May 20, 2012, photo, shows an annular solar eclipse in Kanarraville, Utah. Views of the eclipse stretched from California to Texas and was the first time in 18 years an annular eclipse was visible in the continental United States. (AP Photo/The Spectrum, Samantha Clemens)
Photo Gallery Ring Of Fire Eclipse
An annular solar eclipse appears Sunday, May 20, 2012, in Chandler, Ariz. The annular eclipse, in which the moon passes in front of the sun leaving only a golden ring around its edges, was visible to wide areas across China, Japan and elsewhere in the region before moving across the Pacific to be seen in parts of the western United States. (AP Photo/Matt York)
Photo Gallery Ring Of Fire Eclipse
A thundershower rolls through as an annular solar eclipse appears in Gardnerville, Nev., on Sunday, May 20, 2012. The annular eclipse, in which the moon passes in front of the sun leaving only a golden ring around its edges, was visible to wide areas across China, Japan and elsewhere in the region before moving across the Pacific to be seen in parts of the western United States. (AP Photo/Cathleen Allison)
Photo Gallery Ring of Fire Eclipse
High school students watch the annular solar eclipse in Fujisawa, near Tokyo, Monday, May 21, 2012. Millions of early risers in Asia turned their attention skyward to view a rare "ring of fire" eclipse as it crossed their skies Monday morning. The annular eclipse, in which the moon passes in front of the sun leaving only a golden ring around its edges, was visible to wide areas across China, Japan and elsewhere in the region before moving across the Pacific to be seen in parts of the western United States. (AP Photo/Shizuo Kambayashi)
Photo Gallery Ring Of Fire Eclipse
A passenger jet flies above an annular solar eclipse Sunday, May 20, 2012, in Irving, Texas. The annular eclipse, in which the moon passes in front of the sun leaving only a golden ring around its edges, was visible to wide areas across China, Japan and elsewhere in the region before moving across the Pacific to be seen in parts of the western United States. (AP Photo/Tony Gutierrez)
Photo Gallery Ring of Fire Eclipse
A South Korean astronomy student uses special sunglasses to observe an annular solar eclipse in Seoul, South Korea, Monday, May 21, 2012. Millions of early risers in Asia turned their attention skyward to view a rare "ring of fire" eclipse as it crossed their skies Monday morning. The annular eclipse, in which the moon passes in front of the sun leaving only a golden ring around its edges, was visible to wide areas across China, Japan and elsewhere in the region before moving across the Pacific to be seen in parts of the western United States. (AP Photo/Lee Jin-man)
ANNULAR SOLAR ECLIPSE
Mickey Schaertl views an annular solar eclipse from Kanarraville, Utah on Sunday, May 20, 2012. The annular eclipse, in which the moon passes in front of the sun leaving only a golden ring around its edges, was visible to wide areas across China, Japan and elsewhere in the region before moving across the Pacific to be seen in parts of the western United States. (AP Photo/The Spectrum, Samantha Clemens)
Eclipse
An eclipse starts to take form over Lubbock, Texas, Sunday, May 20, 2012. The annular eclipse, in which the moon passes in front of the sun leaving only a golden ring around its edges, was visible to wide areas across China, Japan and elsewhere in the region before moving across the Pacific to be seen in parts of the western United States. (AP Photo/Lubbock Avalanche-Journal, Zach Long)
Photo Gallery Ring of Fire Eclipse
An annular solar eclipse appears above a Ferris wheel in the sky over Yokohama near Tokyo Monday, May 21, 2012. The annular eclipse, in which the moon passes in front of the sun leaving only a golden ring around its edges, was visible to wide areas across China, Japan and elsewhere in the region before moving across the Pacific to be seen in parts of the western United States. (AP Photo/Koji Sasahara)
Photo Gallery Ring of Fire Eclipse
A partial annular solar eclipse is reflected in a pool of water in Beijing, China, Monday, May 21, 2012. The annular eclipse, in which the moon passes in front of the sun leaving only a golden ring around its edges, was visible to wide areas across China, Japan and elsewhere in the region before moving across the Pacific to be seen in parts of the western United States. (AP Photo/Ng Han Guan)