美国火星探测器寻找火星的生命足迹_科技Science
los angeles, aug. 12 (xinhuanet) -- a new spacecraft designed to search water on mars was launched friday by an atlas rocket from the kennedy space center, florida, the us space agency nasa said.
the two-ton spacecraft, named mars reconnaissance orbiter, is scheduled to arrive at mars in march 2006 for a mission to understand the planet's water riddles and advance the exploration of the mysterious red planet, said the nasa jet propulsion laboratory (jpl) in pasadena, california.
the two-ton spacecraft, named mars reconnaissance orbiter, is scheduled to arrive at mars in march 2006 for a mission to understand the planet's water riddles and advance the exploration of the mysterious red planet, said the nasa jet propulsion laboratory (jpl) in pasadena, california.