Difference between revisions 1248729 and 1251679 on enwikiversity

[[Image:Chain of impact craters on Ganymede.jpg|thumb|right|200px|The image shows a chain of craters on Ganymede. Credit: Galileo Project, Brown University, JPL, NASA.]]
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A '''crater''' may be any large, roughly circular, depression or hole in or beneath the rocky surface of a rocky object.
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[[Image:Santa Ana Volcano.USAF.C-130.3.jpg|right|thumb|200px|The crater in Santa Ana Volcano is photographed from a United States Air Force C-130 Hercules flying above El Salvador. Credit: .]]
[[Image:Karthala volcano-Comoros.jpg|thumb|left|200px|The view is into Karthala volcano crater in November 2006 at the solidified lava lake Credit: alKomor.com.]]
[[Image:SP Crater.jpg|thumb|right|200px|S P Crater is a cinder cone volcano in the San Francisco volcanic field. Credit: .]]
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secondfirst image at right is a "detailed astronaut photograph [that] depicts the summit caldera of the volcano. The huge caldera—6 kilometers (3.7 miles) in diameter and 1,100 meters (3,609 feet) deep—formed when Tambora’s estimated 4,000-meter- (13,123-foot) high peak was removed, and the magma chamber below emptied during the April 10 eruption. Today the crater floor is occupied by an ephemeral freshwater lake, recent sedimentary deposits, and minor lava flows and domes from the nineteenth and twentieth centur(contracted; show full)[[Category:Physics and Astronomy]]
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