TEGA - Round 2 |
TEGA - Round 2 |
Jul 19 2008, 12:04 PM
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#1
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Founder Group: Chairman Posts: 14434 Joined: 8-February 04 Member No.: 1 |
I challenge you not to look at this and make a ping/spring/boing happy sort of a noise.
http://phoenix.lpl.arizona.edu/images/gallery/lg_14223.jpg |
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Jul 27 2008, 11:22 AM
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#2
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Senior Member Group: Members Posts: 1465 Joined: 9-February 04 From: Columbus OH USA Member No.: 13 |
The way the soil clumps and adheres suggests a fair bit of water, like it's either wet or was wet and froze again--the RASP generates some heat, no?
Probably not a whole lot of time for idle experiments, but if soil adhering to the back of the scoop comes loose in some hours, would that suggest that its water content is responsible? -------------------- |
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Jul 27 2008, 09:29 PM
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#3
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Senior Member Group: Members Posts: 4256 Joined: 17-January 05 Member No.: 152 |
The way the soil clumps and adheres suggests a fair bit of water, like it's either wet or was wet and froze again--the RASP generates some heat, no? Apparently yes! From the latest update: QUOTE [The] robotic arm will use a revised collection-and-delivery sequence overnight Sunday with the goal of depositing an icy soil sample in the lander’s oven... The revised plan includes reducing the length of time the rasp operates as it makes the holes in the trench to reduce any potential heating of the sample, and for increasing the number of times the scoop is vibrated during the sample delivery action.
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