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Latest Chasma Boreale Stories

21c4888bb16f95d2a13c5382c4ddb2a01
2010-06-16 15:28:02

Almost 40 years ago, NASA's Mariner 9 spacecraft relayed to Earth the first video images of Mars' northern polar ice cap, revealing a strange pattern of spiral swirls that has puzzled scientists ever since. Using new data from the Mars Reconnaissance Orbiter (MRO), researchers have finally uncovered the secrets of the troughs that snake through the ice cap like a spiraled maze. Jack Holt of the University of Texas and his graduate student Isaac Smith used radar data from MRO's Shallow...

2010-05-26 15:28:00

PASADENA, Calif., May 26 /PRNewswire-USNewswire/ -- Data from NASA's Mars Reconnaissance Orbiter (MRO) have helped scientists solve a pair of mysteries dating back four decades and provided new information about climate change on the Red Planet. (Logo: http://www.newscom.com/cgi-bin/prnh/20081007/38461LOGO) The Shallow Radar, or SHARAD, instrument aboard MRO revealed subsurface geology allowing scientists to reconstruct the formation of a large chasm and a series of spiral troughs on...

782e23dc130a9ca2cd40392d0274f4801
2010-05-26 12:40:00

Scientists have reconstructed the formation of two curious features in the northern ice cap of Mars"”a chasm larger than the Grand Canyon and a series of spiral troughs"”solving a pair of mysteries dating back four decades while finding new evidence of climate change on Mars. In a pair of papers to be published in the journal Nature on May 27, Jack Holt and Isaac Smith of The University of Texas at Austin's Institute for Geophysics and their colleagues describe how they used radar...