Opportunity and its rover twin , spirit , completed their three-month prime missions on mars in april 2004 .
“机遇号”和他的双胞胎漫游者“勇气号”在2004年4月完成了3个月的原定任务。
The us space agency 's mars science laboratory mission is scheduled to launch in late 2011 , to land the curiosity rover on mars 's surface in the summer of 2012 .
A pair of european mars missions , the trace gas orbiter and the exomars rover , also need extra funding to continue after nasa 's withdrawal from both missions earlier this year .
Unless wind removes some dust from opportunity 's solar array , allowing more sunlight to reach the solar cells , the rover will need to work during the next few weeks at locations with no southward slope .
Nasa 's jet propulsion laboratory , a division of the california institute of technology in pasadena , manages the mars exploration rover project for the nasa science mission directorate , washington .
nasa在加州帕萨迪纳的喷气拖进实验室,为其在华盛顿的科学任务理事会掌控着火星漫游者计划。
Mars science lab team members were jubilant as they learned the rover 's parachute had deployed , its rocket thrusters had ignited , and its skycrane had activated for a flawless touchdown .
火星科学实验小组的成员们得知漫游者的降落伞打开,火箭推进器点燃了,并自动完美着陆后,一片欢呼。
Team member keegan gartner from iowa state university ( isu ) checks the rover 's wiring before starting the equipment servicing task .
The new rover prototype would allow a crew of two astronauts to take extended exploration trips for up to two weeks at a time , covering distances of up to 625 miles ( 1000 km ) .
Each summer prudence was to be seen yachting at cowes , laughing in the royal enclosure at ascot , riding to hounds , attending the smartest dances in london , and , of course , exercising daily on her rover safety bicycle .
Of course , twitter has been used to document the ups and downs of space travel before : most notably in the form of the mars phoenix account , which saw a stream of in-character messages from the interplanetary rover ......