Dust Storm- Opportunity EOM, the end of the beginning of a new era in robotic spaceflight |
Dust Storm- Opportunity EOM, the end of the beginning of a new era in robotic spaceflight |
Jun 5 2018, 03:05 PM
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#1
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Founder Group: Chairman Posts: 14434 Joined: 8-February 04 Member No.: 1 |
Expect a quiet few sols - http://www.lpl.arizona.edu/~lemmon/mars-tau-b.html
SOL TAU 5097 0.65 5098 0.64 5099 0.67 5100 0.64 5101 0.60 5102 0.60 5103 0.61 5104 1.55 5105 **** 5106 2.12 |
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Jun 11 2018, 04:23 AM
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#2
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Founder Group: Chairman Posts: 14434 Joined: 8-February 04 Member No.: 1 |
This mosaic is from Opportunity
https://www.nasa.gov/images/content/182691m...er-20070719.jpg during the 2007 storm. They were able to execute simple Pancam observations briefly during that storm. However - even if the tau were the same now, Opportunity would be in worse shape for all sorts of reasons (11 year older batteries, on a slope, it's not high summer ). However - the tau is a lot LOT worse right now. We've seen both record high tau's, and record low power. The vehicle is facing conditions we just have no experience with. |
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Jun 11 2018, 12:15 PM
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#3
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Senior Member Group: Members Posts: 1057 Joined: 17-February 09 Member No.: 4605 |
However - the tau is a lot LOT worse right now. We've seen both record high tau's, and record low power. The vehicle is facing conditions we just have no experience with. The Tau is about double the worst experienced by Opportunity during the last storm. With the current orientation what is the correlation between tau and Whr generated? Since the attenuation of sunlight through the atmosphere is essentially exp(-tau) the observed light intensity with tau around 10.8 must be negligible. |
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