"Phoenix" Mars probe the fault can not open the arm (Figure).

<P Align=center> Keywords: Phoenix Mars probe failures arm </ P> <P align=center> </ P> <P align=center> "Mars Reconnaissance Orbiter" Run imagine Figure </ P> .<P> NASA Jet Propulsion Laboratory announced that a subsidiary, the "Mars Reconnaissance Orbiter (MRO)" a "temporary failure" prevented "Phoenix" was launched on the robotic arm. .</ P> <P> the lab spokesman pointed out that errors due to a computer program, "Mars Reconnaissance Orbiter," the sudden closure of the equipment of the high-frequency signal transmitter, ground controllers can not lead to its "Phoenix" was launched .instructions. .However, experts also stressed that this is not an "insurmountable problems." .World Scientific reports </ P> <P> Jet Propulsion Laboratory, "Phoenix" was the project leader Fork Lee (phonetic) that cosmic rays may be leading to "Mars Reconnaissance Orbiter," Earth and accidentally cut off, "Phoenix" .communication links between numbers. .Currently, a team of experts have started to address this issue. .</ P> <P> in accordance with the original plan, "Mars Reconnaissance Orbiter" will forward the instructions received from the Earth to the "Phoenix", the latter based on data obtained through the addition a Mars satellite - "Odd .Competition "Orbiter - back to Earth. .Fork Lee pointed out that if necessary, the "Odyssey" will be fully assume, "Phoenix" and the Earth control center two-way contacts. .World Scientific reports </ P> <P> "Phoenix" on May 26 successfully landed on Mars in the Arctic. .And "Spirit" and "Opportunity" rover is different, "Phoenix" will not move around, but will stay in place for mining - it is equipped with an arm length of 2.3 meters can be .the surface of Mars digging a 60 cm sampling depth of pit. .</ P> <P> as "Phoenix" was the main detection equipment on the arm of a backhoe through the action, the soft surface area cleaned, exposed to ice. .Then the front end with a shovel blade cut a small piece of ice, but the real scoop behind when mining ice samples requires a small drill. .This spring loaded by spring pressure drill, the ground bounce, rotate, the friction of ice layers. .Loose wrist movement to promote the ice sample into a small room, to carry out experiments. .Graders shovel arm at the bottom there, it will be useless material removed in order to continue cutting the ice. .</ P> <P> precisely because of the crucial role played by the arm, if it can not successfully opened, will lead to "Phoenix" was a failure to detect activity. .World Scientific reports </ P> <P> "Mars Reconnaissance Orbiter" on August 12, 2005 launch, March 10, 2006 successfully entered orbit around Mars. .Its net weight is 1,031 kg, in addition to carrying 1,149 kg of fuel reserves. .Two areas were 20 square meters of solar panels generating power for 2000 watts. .A diameter of 3 meters parabolic wire to protect the long-range ground-space communications, and to 0.5 to 4 megabytes per second transfer rate of data. ."Mars Reconnaissance Orbiter," The total cost of detection of 7.2 billion, of which the detector itself cost 4.5 billion dollars. .</ P> </ p>.