March 21, 2001: Test-drilling in the Antarctic
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March 21, 2001
Test-drilling in the Antarctic
Deep drilling has yielded surprising details on the flow of ice in the Antarctic. NASA researchers had drilled to a depth of 1,200 meters (3,900 feet) at four locations in the West Antarctic. The researchers encountered rivers up to 1.4 meters (4.6 ft) deep that flow through the individual layers of ice. In this way, ground rocks are transported much more rapidly than previously assumed.
The underground streams were observed using two special cameras integrated in the drill. The Antarctic mission was a test run for the new drill. NASA researchers hope that they will be able to use the technique on Jupiter's moon Europa one day. The moon is covered in a thick ice crust that is considered comparable to that in the Antarctic. Further experiments will focus on microbe probes capable of detecting infinitesimal organic traces in the ice. The researchers hope to use these probes on Mars at some point in the future.
Source: BBC / NASA, Mar 19, 01
Research: Frank Carsey, Jet Propulsion Laboratory
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