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Submission Summary: 0 pending, 16 declined, 2 accepted (18 total, 11.11% accepted)

Earth

Submission + - Large ice shelf expected to break from Antarctica (cnn.com)

MollyB writes: ""A large ice shelf is "imminently" close to breaking away from part of the Antarctic Peninsula, scientists said Friday, reported by CNN. Satellite images released by the European Space Agency on Friday show new cracks in the Wilkins Ice Shelf where it connects to Charcot Island, a piece of land considered part of the peninsula. The cracks are quickly expanding, the ESA said. Scientists are investigating the causes for the breakups and whether it is linked to global climate change. The Wilkins Ice Shelf — a large mass of floating ice — would still be connected to Latady Island, which is also part of the peninsula, and Alexander Island, which is not, said professor David Vaughan, a glaciologist at the British Antarctic Survey."
The article goes on to point out "If the ice shelf breaks away from the peninsula, it will not cause a rise in sea level because it is already floating, scientists say. Some plants and animals may have to adapt to the collapse.""

Space

Submission + - Hubble repair mission at risk (wired.com)

MollyB writes: "

According to Wired,the recent collision of satellites may put the Atlantis shuttle mission to repair Hubble in the "unacceptable risk" status: "The spectacular collision between two satellites on Feb. 10 could make the shuttle mission to fix the Hubble Space Telescope too risky to attempt. Before the collision, space junk problems had already upped the Hubble mission's risk of a "catastrophic impact" beyond NASA's usual limits, Nature's Geoff Brumfiel reported today, and now the problem will be worse. Mark Matney, an orbital debris specialist at the Johnson Space Center in Houston, Texas told the publication that even before the collision, the risk of an impact was 1 in 185, which was "uncomfortably close to unacceptable levels" and the satellite collision "is only going to add on to that." "

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