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Phoenix Site
remcook
post Jan 22 2005, 01:21 PM
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did it got mentioned that the site was launched last week or so?


http://phoenix.lpl.arizona.edu/
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djellison
post Aug 31 2005, 01:56 PM
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"As the ice starts advancing off Mars’ northern polar cap and moves southward, Phoenix will become entombed in several feet of solid carbon dioxide. The lander is not designed to survive being buried in solid ice for six to seven months, Smith said."

LOL - didnt think it would be that bad!

The exhaust plume contamination of local soil was something I read about w.r.t. MPL years ago - so I'm sure it's not something they've just thought of.

Doug
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Marcel
post Aug 31 2005, 02:17 PM
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QUOTE (djellison @ Aug 31 2005, 01:56 PM)
"As the ice starts advancing off Mars’ northern polar cap and moves southward, Phoenix will become entombed in several feet of solid carbon dioxide. The lander is not designed to survive being buried in solid ice for six to seven months, Smith said."

LOL - didnt think it would be that bad!

The exhaust plume contamination of local soil was something I read about w.r.t. MPL years ago - so I'm sure it's not something they've just thought of.

Doug
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Ah, that's good to read. But what can be done ? Nothing i'm afraid.

I think the physical disturbance of the soil (stripping it's top layer) is probably not such a big issue. The real fear of it probably lies in the detection of organics and the interference that hydrazine and by-products could have on the measurements within the chromatograph column. I don't know enough about the field to know if this can be subtrancted easily from the rest. Probably the mix of unburned fuel and the products that are left after combustion are a very complex mix of organics that are hard to distinct from (possible) original (Martian) soil organic matter.

The ice layer of a meter or so also surpises me highly ! The thing will probably not wake up afterwards. It would surprise me if it did......maybe it's like freezing wet laundry:if it thaws without motion, it's intact afterwards. If it is moved (especially cables) in a brittle state, it snaps instantly. Don't know at which temp. this happens for the materials used. And most probable, the electronics itself will not survive months of exposure to -120 C. Does it have radioactive heaters like MER ?
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Posts in this topic
- remcook   Phoenix Site   Jan 22 2005, 01:21 PM
- - tedstryk   Thanks for the link! This is much better than ...   Jan 22 2005, 01:34 PM
- - BruceMoomaw   Indeed it is -- although the other previous one ( ...   Jan 22 2005, 07:34 PM
- - BruceMoomaw   From Doug Lombardi: "We have made a slight ...   Feb 2 2005, 02:01 AM
- - Gsnorgathon   Bruce - Do you know if there are any plans for fl...   Feb 2 2005, 07:29 AM
- - YesRushGen   Regarding the patchyness of the ice mantle, they s...   Feb 2 2005, 03:40 PM
- - tedstryk   The payload wouldn't survive a MER landing. A...   Feb 2 2005, 03:46 PM
- - djellison   QUOTE (YesRushGen @ Feb 2 2005, 03:40 PM)The ...   Feb 2 2005, 03:51 PM
- - TheChemist   I have much appreciated the MERs after reading the...   Feb 2 2005, 05:16 PM
- - BruceMoomaw   In reply to Gsnorgathon: I believe (although I...   Feb 5 2005, 09:26 PM
- - Gsnorgathon   Thanks, Bruce. Guess we'll just have to be pat...   Feb 6 2005, 12:52 AM
- - tedstryk   Some Phoenix SSI info (courtesy the SSI team). Th...   Feb 7 2005, 06:05 AM
- - RedSky   I ran across this page of the Phoenix landing anim...   Aug 24 2005, 05:00 AM
|- - helvick   That link led me to dig around on the site a bit a...   Aug 24 2005, 06:08 PM
|- - Redstone   QUOTE (RedSky @ Aug 24 2005, 05:00 AM)I ran a...   Aug 24 2005, 08:17 PM
- - BruceMoomaw   I'm very skeptical of that part about the land...   Aug 25 2005, 12:17 AM
- - Decepticon   The lander will only last a few months!? I fi...   Aug 25 2005, 01:08 AM
|- - ElkGroveDan   QUOTE (Decepticon @ Aug 25 2005, 01:08 AM)The...   Aug 25 2005, 03:49 AM
|- - jamescanvin   QUOTE (ElkGroveDan @ Aug 25 2005, 01:49 PM)Ph...   Aug 25 2005, 04:38 AM
|- - tedstryk   QUOTE (jamescanvin @ Aug 25 2005, 04:38 AM)It...   Aug 25 2005, 11:34 PM
- - BruceMoomaw   Yes, the problem with this one (as with Polar Land...   Aug 25 2005, 05:18 AM
|- - tedstryk   QUOTE (BruceMoomaw @ Aug 25 2005, 05:18 AM)An...   Aug 25 2005, 11:33 PM
- - edstrick   I really wish it were possible to put minimal craw...   Aug 25 2005, 08:29 AM
|- - helvick   QUOTE (edstrick @ Aug 25 2005, 09:29 AM)That ...   Aug 25 2005, 09:49 AM
- - akuo   But Phoenix has a real microscope and even an atom...   Aug 25 2005, 09:02 AM
- - BruceMoomaw   Actually, there is one real reason to wish it had ...   Aug 25 2005, 08:25 PM
|- - Gsnorgathon   QUOTE (BruceMoomaw @ Aug 25 2005, 08:25 PM)Ac...   Aug 26 2005, 07:33 AM
|- - djellison   QUOTE (Gsnorgathon @ Aug 26 2005, 07:33 AM)Is...   Aug 26 2005, 07:47 AM
- - Decepticon   Another issue I have is the depth that the lander ...   Aug 26 2005, 12:21 AM
|- - tedstryk   QUOTE (Decepticon @ Aug 26 2005, 12:21 AM)Ano...   Aug 26 2005, 12:52 AM
- - BruceMoomaw   Yep -- and I can tell you they're virtually ce...   Aug 26 2005, 03:04 AM
- - BruceMoomaw   I've been told flatly by Peter Smith: can...   Aug 26 2005, 01:01 PM
|- - tedstryk   Again I will say, lets be honest. We are image ju...   Aug 26 2005, 02:06 PM
|- - paxdan   QUOTE (tedstryk @ Aug 26 2005, 03:06 PM)Again...   Aug 26 2005, 10:36 PM
|- - Bob Shaw   Imagine if Phoenix had set down where Opportunity ...   Aug 26 2005, 10:47 PM
|- - helvick   QUOTE (paxdan @ Aug 26 2005, 11:36 PM)...but ...   Aug 26 2005, 11:17 PM
|- - elakdawalla   QUOTE (helvick @ Aug 26 2005, 04:17 PM)As one...   Aug 27 2005, 12:19 AM
- - gpurcell   I agree..but I also think we're going to find ...   Aug 26 2005, 02:50 PM
- - Decepticon   Can phoenix be put into Hibernation during the win...   Aug 26 2005, 02:54 PM
- - Gsnorgathon   I dunno if there will be a rise 15 meters away, or...   Aug 26 2005, 08:33 PM
- - BruceMoomaw   It can't be put into hiberation any more than ...   Aug 26 2005, 09:19 PM
- - BruceMoomaw   Bob, the really big qualitative difference between...   Aug 27 2005, 01:05 AM
|- - Bob Shaw   QUOTE (BruceMoomaw @ Aug 27 2005, 02:05 AM)Bo...   Aug 27 2005, 01:15 AM
||- - algorimancer   QUOTE (Bob Shaw @ Aug 26 2005, 08:15 PM)As fo...   Aug 30 2005, 06:07 PM
|- - gpurcell   Bruce, I really wonder about that. I really think...   Aug 27 2005, 02:27 AM
|- - helvick   QUOTE (gpurcell @ Aug 27 2005, 03:27 AM)Bruce...   Aug 27 2005, 05:31 AM
- - BruceMoomaw   Once again: the reason they're willing to fly ...   Aug 27 2005, 05:05 AM
- - BruceMoomaw   Network missions aside (and of course very small l...   Aug 28 2005, 12:30 AM
- - RNeuhaus   I think that the "main problem" of the P...   Aug 29 2005, 03:23 PM
|- - djellison   QUOTE (RNeuhaus @ Aug 29 2005, 03:23 PM)1) la...   Aug 29 2005, 03:36 PM
|- - RNeuhaus   QUOTE (djellison @ Aug 29 2005, 10:36 AM)1) C...   Aug 29 2005, 03:56 PM
|- - tedstryk   QUOTE (djellison @ Aug 29 2005, 03:36 PM)1) C...   Aug 29 2005, 04:50 PM
- - djellison   Phoenix is important as a GRS groundtruth for near...   Aug 29 2005, 04:01 PM
- - Phil Stooke   Bruce said: "As a way to investigate Meridia...   Aug 29 2005, 04:31 PM
|- - tedstryk   QUOTE (Phil Stooke @ Aug 29 2005, 04:31 PM)Br...   Aug 29 2005, 04:53 PM
|- - vjkane2000   QUOTE (tedstryk @ Aug 29 2005, 09:53 AM)we ne...   Aug 29 2005, 11:08 PM
|- - tedstryk   QUOTE (vjkane2000 @ Aug 29 2005, 11:08 PM)Whi...   Aug 30 2005, 12:27 AM
- - BruceMoomaw   Yeah -- it was actually sloppy language on my part...   Aug 29 2005, 05:26 PM
|- - tedstryk   QUOTE (BruceMoomaw @ Aug 29 2005, 05:26 PM)Ye...   Aug 29 2005, 08:43 PM
- - BruceMoomaw   Detection of relatively recently exposed ice -- or...   Aug 30 2005, 06:24 PM
- - craigmcg   what impact will the descent thrusters have on the...   Aug 31 2005, 01:06 AM
|- - Bob Shaw   QUOTE (craigmcg @ Aug 31 2005, 02:06 AM)what ...   Aug 31 2005, 11:19 AM
|- - Marcel   QUOTE (craigmcg @ Aug 31 2005, 01:06 AM)what ...   Aug 31 2005, 12:13 PM
- - djellison   "As the ice starts advancing off Mars’ northe...   Aug 31 2005, 01:56 PM
|- - Marcel   QUOTE (djellison @ Aug 31 2005, 01:56 PM)...   Aug 31 2005, 02:17 PM
- - RNeuhaus   The Phoenix's probably specific landing site w...   Aug 31 2005, 04:42 PM


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