Spirit cleaner? |
Spirit cleaner? |
Jun 18 2007, 06:44 AM
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#1
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Senior Member Group: Members Posts: 1887 Joined: 20-November 04 From: Iowa Member No.: 110 |
I've been keeping an eye on the sundial images looking for signs of a cleaning event. I've noticed some changes in the latest to be downloaded although they may be due to changes in the lighting.
A : clean patch at top of circle streak at bottom B : increased contrast from dust left behind next to mirror C : clean patch next to wire Also note the missing clumps of dust on the deck A broader view show a contrast between sol 1221 and 1227 http://207.7.139.5/mars/spirit/navcam/2007...I4P0165L0M1.JPG http://207.7.139.5/mars/spirit/navcam/2007...00P1914L0M1.JPG Has anyone heard if there has been a change in the power levels? |
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Jun 29 2007, 05:28 PM
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#2
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Member Group: Members Posts: 754 Joined: 9-February 07 Member No.: 1700 |
The subject of tilt begs the question, why don't the panels pivot to track the sun? I'd never thought about that. In the design process, if there's already a motor to unfurl the panels upon landing, couldn't that same motor rotate the panels and shake off dust in the process? I'm sure they thought about it, but I'm curious about the pros and cons.
Apologies if this question was addressed in an earlier thread. I'm a newbie, so I'm just learning how to read |
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