標題: "We're in good shape [打印本頁] 作者: rymfekhu 時間: 2016-3-20 01:21 標題: "We're in good shape
Months of planning tend to be finally coming to fruition: Their astronauts engineers are ready to begin endeavoring to maneuver the plucky rover Spirit from its Nike Janoski Women.html sandy trap in Mars.
Mission managers are clean about the prospects . They will send out the first commands to the rover as a measure to move on Monday, "but this process might take quite a while if it's possible at all," said Doug McCuistion, director with the Mars Exploration Program at Their astronauts Headquarters in Washington.
Soul has been stuck in a spot of soft, sandy dirt (nicknamed "Troy") for the Martian surface since April, in the event it broke through what quest scientists call a "dirt crust" a difficult top layer of dust disguising a layer of sentimental, talcum powder like material under.
"Spirit did the equivalent of falling with the ice over a frozen fish-pond," McCuistion said.
An escape thinking about Mars
The rover's engineering team offers spent months devising a strategy to extricate the spacecraft, working with replicas connected with Spirit (and its twin spacecraft, Option). That effort is complicated because Spirit has a bum ideal front wheel, forcing them to drive backwards.
The team has got tried driving the reproduction rovers in a variety of ways forward, backwards and sideways in a blend of dirt similar to that where Spirit is stuck, to find out which movements had the best chance of getting the Nike Roshe Nz rover out and that might make the situation worse.
"If there's a way to get the rover out, we will find Ralph Lauren Nz Sale.html it," said Sara Callas, the rover project manager on NASA's Jet Propulsion Laboratory inside Pasadena, Calif.
The plan they'll try first is to get the rover moving "forward" through a tracks. The rover drivers suspect that moving through the smooth material already churned up are going to be easier than breaking through many dirt crust. Retracing its actions downslope also means the rover won't have to try and move uphill, said Ashley Stroupe, any rover driver from JPL.
When relocating the rover, the team also has Michael Kors Iphone Case to get careful not to scrap against a rock under the rover's abdomen. Moving forward should minimize the interaction between the rover and this rock and roll, Stroupe said.
"This is clearly destined to be a long process to either are able to extrication or determine if extrication is going to do the job," Stroupe said.
The get to Louis Vuitton Wallet Ebay move will be sent up on Monday night, and quest controllers expect to hear back from Spirit about its success on Tuesday. The command needs 5 meters (16 toes) of wheel spin, nevertheless mission managers don't expect the rover to actually move that much, Callas said. The team will take each day to analyze any movement Character makes before sending extra commands, repeating this process assuming that needed.
"The reality is that we're planning to see very little motion every single day, at least initially," Callas said. "It's kind of like watching grass improve."
Callas said he has self confidence in the rover team and the program they have as being the best possible opportunity to extricate Spirit.
"We're in good shape; we're all set to roll on Monday,Inches he said.
The 'spirit' of Heart
Mars enthusiasts have been worried this Spirit's predicament could spell the end for the rover's mission, which up to now has lasted 24 moments longer than its original designed 90 days.
Also of concern tend to be Spirit's periodic memory lapses, the latest of which occurred on Oct. 24, preventing Spirit via saving science observations included in the flash memory.
While the rover provides detected sulfate sands in a spot (called Cyclops_eye) where it punched through with its robotic arm, it didn't detect these from another nearby spot (Polyphemous_eye).
Mindset and Opportunity have been walking the Martian surface for nearly half a dozen years now, after landing on several sides of the planet around January 2004.
McCuistion asked fans of the rover to be "hopeful but realistic" Nike Roshe Online Nz regarding Spirit's prospects.
If Spirit cannot get out, "it's likely that this alone spot straddling the edge of this crater could be where Spirit ends the adventure on Mars," he was quoted saying.
