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: 14433 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 24 2018, 01:48 AM
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#2
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Senior Member Group: Members Posts: 1643 Joined: 5-March 05 From: Boulder, CO Member No.: 184 |
Comparing simulations, mine so far is rather simplified given the high Tau values, though I'm getting a notably redder sky color than the one posted by the team. I'm pretty much developing a sky hue from color ratios derived using the paper discussed in post #110. This is reminiscient of the YouTube video posted earlier from a dust storm on Earth, and consistent if we extrapolate some of the redder colors in Curiosity images to higher Tau.
-------------------- Steve [ my home page and planetary maps page ]
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Jun 24 2018, 01:31 PM
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#3
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Junior Member Group: Members Posts: 50 Joined: 16-January 06 Member No.: 646 |
Comparing simulations, mine so far is rather simplified given the high Tau values, though I'm getting a notably redder sky color than the one posted by the team. I'm pretty much developing a sky hue from color ratios derived using the paper discussed in post #110. This is reminiscient of the YouTube video posted earlier from a dust storm on Earth, and consistent if we extrapolate some of the redder colors in Curiosity images to higher Tau. you have to remember that the values quoted in that paper, at least the one relevant for the visible, is actually only appropriate for red, and for diffuse dust. you need to adjust the single scattering albedo for blue and green (and particle size, though not a huge change here). The single scattering albedo values for 400 nm, 500 nm, 600nm, and 700nm assuming the average (cross section-weighted mean) particle size is 2.0 micron 0.716001 0.816507 0.938796 0.968714 respectively. |
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