Mars rover finds new type of rock
Posted: Wed, Feb 16, 2005, 7:46 PM ET (0046 GMT)
The Mars Exploration Rover Spirit has discovered a new class of water-altered rock, scientists said Tuesday. The rock, dubbed "Peace", contains higher concentrations of sulfate salts than any rock analyzed by the rover in Gusev Crater. Moreover, the sulfate concentrations are deep inside the rock and not just at the surface. Scientists suggest that the rock was made of volcanic rocks ground into grains and then cemented together, possibly in the presence of water. both Spirit and its twin, Opportunity, continue to operate well on the surface of Mars, more than a year after landing.
The Mars Exploration Rover Spirit has discovered a new class of water-altered rock, scientists said Tuesday. The rock, dubbed "Peace", contains higher concentrations of sulfate salts than any rock analyzed by the rover in Gusev Crater. Moreover, the sulfate concentrations are deep inside the rock and not just at the surface. Scientists suggest that the rock was made of volcanic rocks ground into grains and then cemented together, possibly in the presence of water. both Spirit and its twin, Opportunity, continue to operate well on the surface of Mars, more than a year after landing.| <<previous article | next article>> |
|
news in brief
|
|
|
|
news links
|
|
Sunday, February 12
Philip Plait on the Wonders of the Universe
The Browser — 7:00 pm ET (0000 GMT) Young girl's curiosity of science leads to becoming first African-American woman in space
US Air Force — 6:58 pm ET (2358 GMT) Cleveland-built testing equipment ready for space
AP — 6:57 pm ET (2357 GMT) Out of this world! Video shows spectacular view of moon and Northern Lights from space
The Daily Mail — 6:56 pm ET (2356 GMT) Final ‘go’ for Vega launch
ESA — 10:27 am ET (1527 GMT) |