Astronomy (Period 7)
Course Description
Astronomy Calendar of Celestial Events
for Calendar Year 2015
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Moreover, geologists have found a large circular impact feature (figure 11.26) about 65 million years old near Chicxulub ) in the Yucatàn region of Mexico.
The Chicxulub impact structure from 65 million years ago is buried under a kilometer of sedimentary rock, so it is difficult to trace on the surface. However, geological maps of subsurface features clearly trace the edge of a 180-kilometer (110-mile) diameter impact crater.
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NASA spacecraft nears historic dwarf planet arrival
Dawn will be the first mission to successfully visit a dwarf planet when it enters orbit around Ceres on Friday, March 6.
NASA’s Dawn spacecraft has returned new images captured on approach to its historic orbit insertion at the dwarf planet Ceres. Dawn will be the first mission to successfully visit a dwarf planet when it enters orbit around Ceres on Friday, March 6.
“Dawn is about to make history,” said Robert Mase, project manager for the Dawn mission at NASA’s Jet Propulsion Laboratory in Pasadena, California. “Our team is ready and eager to find out what Ceres has in store for us.”
