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Put on display July 8 at the U.K.'s Dorset County Museum, the 7.9-foot-long (2.4 meter-long) skull (pictured) belonged to a pliosaur, a type of plesiosaur that had a short neck, a huge, crocodile-like head, and razor-sharp teeth. When alive about 155 million years ago, the seagoing creature would have had a strong enough bite to snap a car in half, according to the museum.
Amateur collector Kevan Sheehan found the skull in pieces between 2003 and 2008 at the Jurassic Coast World Heritage Site, a 95-mile (152-kilometer) stretch of fossil-rich coastline in England. The Dorset County Council's museums service purchased the fossil, and later research by University of Southampton scientists suggests that it's the largest complete pliosaur skull ever found.
Astronomers have found the strongest evidence yet for an ocean beneath the icy shell of Saturn's Enceladus, suggesting it could join the exclusive club of watery moons in our solar system.
The salty water is likely feeding jets of water-ice that spurt from the moon's south polar region. Such plumes were first reported in 2005, and ever since, astronomers have suspected a liquid ocean might lie beneath the icy shell of Saturn's sixth largest moon.
The new finding, published in the June 25 issue of the journal Nature, could bump this diminutive world ? measuring 310 miles (500 km) in diameter (about the width of Arizona) ? into a class that includes Jupiter's Europa, Ganymede and Callisto.
A recent image from NASA's Galileo spacecraft adds evidence to a theory that Callisto, the outermost of Jupiter's four large moons, may hold an underground ocean.
The image shows a part of Callisto's surface directly opposite from the Valhalla basin where Callisto was punched by a major collision. The opposition point shows no effect from the impact. Points opposite major impact features on some similar-size worlds, such as Mercury and Earth's Moon, show lumpy terrain attributed to seismic shocks from the distant impacts.
The new image is consistent with a 1990s model proposing that a liquid layer could be acting as a shock absorber inside Callisto, said planetary geologist Dr. David A. Williams of Arizona State University, Tempe.
reply to post by Chrisfishenstein
Man I see a shark and it scares the crap out of me in the waters!! Could you imagine seeing something like this?? I would never touch water in the ocean ever again!!