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SwRI scientists identify water molecules on asteroids for the first time – SatNews satnews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from satnews.com Daily Mail and Mail on Sunday newspapers.
NASA's Juno Gets Highest-Resolution Close-Up of Jupiter's Moon ... inferse.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from inferse.com Daily Mail and Mail on Sunday newspapers.
New Findings Suggest That The Moon May Have Less Water Than Previously Thought spaceref.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from spaceref.com Daily Mail and Mail on Sunday newspapers.
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Evidence for an internal ocean in small Saturn moon scienceblog.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from scienceblog.com Daily Mail and Mail on Sunday newspapers.
Zeroing In On the Source Of The Impactor That Wiped Out The Dinosaurs Source: SwRI Impact event The impactor believed to have wiped out the dinosaurs and other life forms on Earth some 66 million years ago likely came from the outer half of the main asteroid belt, a region previously thought to produce few impactors. Researchers from Southwest Research Institute have shown that the processes that deliver large asteroids to Earth from that region occur at least 10 times more frequently than previously thought and that the composition of these bodies match what we know of the dinosaur-killing impactor. The SwRI team -- including Dr. David Nesvorný, Dr. William Bottke and Dr. Simone Marchi -- combined computer models of asteroid evolution with observations of known asteroids to investigate the frequency of so-called Chicxulub events. Over 66 million years ago, a body estimated to be 6 miles across hit in what is now Mexico's Yucatan peninsula and formed Chicxulub crater, which is over 90 miles across. This massive blast triggered a mass extinction event that ended the reign of the dinosaurs. Over the last several decades, much has been learned about the Chicxulub event, but every advance has led to new questions.