LOS ANGELES, June 11, 2008

Mars Lander Scores Oven Test Success

Scientists Celebrate After Lander Fills Oven For Soil Tests After Previous Failures

  • In this photo released by NASA and taken by the Phoenix Mars Lander's surface stereo imager on Saturday, June 8, 2008, the two trenches dug by Phoenix's robotic arm are shown on the surface of Mars. Soil from the right trench was delivered to Phoenix's Thermal and Evolved-Gas Analyzer or TEGA, on June 6. The following several days included repeated attempts to shake the screen over TEGA's oven number 4 to get fine soil particles through the screen and into the oven for analysis.

    In this photo released by NASA and taken by the Phoenix Mars Lander's surface stereo imager on Saturday, June 8, 2008, the two trenches dug by Phoenix's robotic arm are shown on the surface of Mars. Soil from the right trench was delivered to Phoenix's Thermal and Evolved-Gas Analyzer or TEGA, on June 6. The following several days included repeated attempts to shake the screen over TEGA's oven number 4 to get fine soil particles through the screen and into the oven for analysis.  (AP Photo/NASA/JPL/CalTech)

(AP)  NASA's Phoenix Mars lander was not the only one doing the shaking.

Scientists operating the spacecraft broke into song and dance on Wednesday after learning that their latest effort to shake lumps of Martian soil into a tiny testing oven worked.

Mission scientist William Boynton, who leads the oven experiment, recalled how he danced to the disco tune "(Shake, Shake, Shake) Shake Your Booty" after announcing the good news to his team.

"The dirt finally did start to flow and we actually got a full oven," Boynton of the University of Arizona in Tucson told a news conference. "So that problem is now behind us."

Scientists failed six times to get soil scooped up from the Martian arctic into one of eight miniature ovens on the lander that will test for evidence of the chemical building blocks of life. In a last-ditch effort this week, scientists vibrated the dirt-covered mesh screen a final time in hopes that bits would shake through and fill the oven.

Data sent back by Phoenix early Wednesday showed its baking instrument brimming with a pinch of soil - enough to conduct the first experiment of the mission. The next step is to seal the oven and gradually heat the soil up to 1,800 degrees to measure the amount of water and study the minerals in the sample. Results from the first analysis were expected next week.

In the meantime, the robot was instructed to sprinkle another scoopful of dirt into its microscope to examine the soil.

The three-legged Phoenix set down near the Martian north pole on May 25 on a three-month mission to claw into the permafrost, and determine whether the polar environment has the raw ingredients to support primitive life.

Scientists have been surprised by the clumpiness of the soil at the landing site, which they described as crusty on the surface and looser below.

"It's apparently a very sticky material too," said Peter Smith of the University of Arizona, who heads the $420 million mission.



© MMVIII The Associated Press. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed.
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by johnpatrick9 June 12, 2008 5:23 PM EDT
This is really exciting considering we can hardly make sense of our own planet or manage its resources correctly. The UFO''s don''t make contact for they have been observing us and they''re not stupid....must view us as flawed,morally struggling creatures.
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by June 12, 2008 1:50 PM EDT
rf35, they did..the problem is, it takes about 25 minutes from sending a command and receiving the results. They have to take extremely small steps, because everything is running off of batteries that are only charged from the solar panels that collect radiation from the sun, and the sun being 190 million miles from mars, everything is done slowly to preserve power.
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by rf35 June 12, 2008 12:52 PM EDT
You would think they might have practiced the "Scoop and Dump" manuver before launching the thing.
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by scratch0058 June 12, 2008 11:57 AM EDT
Its shake ''n Bake. And I helped.
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by fstop100 June 12, 2008 11:05 AM EDT
Someone tell Betty Crocker, maybe we can bake a cake there too.
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by downsteamjim June 12, 2008 12:19 AM EDT
''Brimming with a pinch of soil.'' Sounds like flooding with a drop of water. Send the reporter back to grade 4 & try again.
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