Phoenix EDL SUCCESS!!!!! |
Phoenix EDL SUCCESS!!!!! |
May 25 2008, 10:13 PM
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Senior Member Group: Admin Posts: 4763 Joined: 15-March 05 From: Glendale, AZ Member No.: 197 |
All Phoenix commentary is now being directed over here.
-------------------- If Occam had heard my theory, things would be very different now.
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May 25 2008, 11:01 PM
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#2
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Member Group: Members Posts: 252 Joined: 5-May 05 From: Mississippi (USA) Member No.: 379 |
pioneer wrote:
I read somewhere only 1 trench will be dug. Is this true? --- I got this material from an official source but I don't have a link. It doesn't answer your question but it is related. Anticipated pace of Mars surface operations -- If operations proceed relatively smoothly, the first eight to 10 days after landing will be a "characterization phase" of checking out and understanding the performance of the spacecraft's power and thermal systems, as well as the robotic arm and other instruments. -- At the end of the characterization phase (date tba), the first sample of surface soil will be delivered to the Thermal and Evolved-Gas Analyzer onboard Phoenix. -- Analysis of soil from the surface in both the Thermal and Evolved-Gas Analyzer and in the Microscopy, Electrochemistry and Conductivity Analyzer will likely take 10 to 15 days if all processes go well. After that, each additional sampling cycle will reach a deeper subsurface level, in increments of about two to three centimeters. At each different layer, collecting and analyzing samples is expected to take 10 to 15 days, barring operational difficulties. -- How soon the digging reaches the expected icy layer will depend on how far below the surface that layer lies. Estimates in advance of landing range from two to five centimeters. If the ice is at the deeper end of that range, the first analysis of an icy sample could be in July or later. Jack |
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