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Mapping Project Consistent With Huge Historic Seas On MarsTucson AZ (SPX) Jun 09, 2010 A geologic mapping project using NASA spacecraft data offers new evidence that expansive lakes existed long ago on Mars. The research points to a series of sedimentary deposits consistent with what would relate to large standing bodies of water in Hellas Planitia located in the southern hemisphere of Mars, said by Dr.Leslie Bleamaster, research scientist at the Planetary Science Institute. Fine-layered outcrops around the eastern rim of Hellas have been interpreted as a series of sedimentary depos ... read more |
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Moffett Field CA (SPX) Jun 01, 2010On Mars, water is frozen solid. The average temperature of the Red Planet is negative 55 degrees Celsius (-67 F), and when the temperature rises - the highest recorded temperature is a balmy 20 degrees C (68 F) - this ice turns directly into a gas, skipping the liquid phase entirely because of the low atmospheric pressure. Mars may have had a thicker atmosphere and liquid water on its surf ... more 
Pasadena CA (JPL) Jun 01, 2010Opportunity has benefited from a small (about 10 percent) dust cleaning event on her solar arrays on or about Sol 2246 (May 19, 2010). This improves the available energy for the rover. With the passing of the winter solstice, temperatures should be improving, as well. On Sol 2247 (May 20, 2010), Opportunity completed another successful checkout of the autonomous exploration for gathering i ... more 
Pasadena CA (SPX) May 28, 2010Data from NASA's Mars Reconnaissance Orbiter have helped scientists solve a pair of mysteries dating back four decades and provided new information about climate change on the Red Planet. The Shallow Radar, or SHARAD, instrument aboard the Mars Reconnaissance Orbiter revealed subsurface geology allowing scientists to reconstruct the formation of a large chasm and a series of spiral troughs ... more |
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Opportunity Recharging Between DrivesPasadena CA (SPX) May 27, 2010 With the winter solstice just passed, Opportunity is constrained by power and must recharge between drives. The rover had an extended stay on the north facing site, referred to as a Lily Pad that it reached on Sol 2240 (May 13, 2010). The favorable northerly tilt provided an increase in power for extra remote science and a MarsQuake experiment. The MarsQuake experiment conducted on Sol 2242 (May 15, 2010), is designed to use the accelerometers in Opportunity's inertial measurement unit (IMU) as a ... read more |
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