Phoenix Site |
Phoenix Site |
Jan 22 2005, 01:21 PM
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Rover Driver Group: Members Posts: 1015 Joined: 4-March 04 Member No.: 47 |
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Guest_BruceMoomaw_* |
Feb 2 2005, 02:01 AM
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#2
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Guests |
From Doug Lombardi:
"We have made a slight modification to the [mass spectrometer] instrument and we are carrying methane detection as a lower priority requirement. However, if during calibration and characterization, operating the instrument in the fashion required to obtain the methane measurement compromises any of the original science requirements or goals, we may need to descope the methane measurement. We do not foresee any reason this should happen. Also, atomic oxygen is still 'in.' " (I imagine this "modification" has something to do with varying the degree of ionization that the M.S. will inflict on the molecules entering it.) He also confirms that the landing hazard avoidance system will not be carried on Phoenix -- the new website was wrong about that. By the way -- although he seemed to be alone among the Mars Strategic Roadmap Committee members on this -- Steve Squyres is apprehensive that the near-polar ground ice mantle may actually be so patchy (below the resolution of any of the current Mars orbiters' instruments) that Phoenix may be unlucky enough to land on an iceless area. As he says, though, there's nothing to be done about this in any case. |
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