23
votes
Is this white stuff seen by the Mars Phoenix Lander water or carbon dioxide ice?
It turns out there is a paper that discusses this exact ice patch: it's water ice, and they're referring to the white section at the top. (The small granules in the lower left may also be water ice, ...
- 7,706
23
votes
Accepted
How did NASA avoid a repeat of the Mars Polar Lander failure?
The failure analysis report includes a large laundry list of recommendations to prevent a repeat failure. As usual in these reports, corrective actions are listed for potential causes that were found ...
- 174k
5
votes
Is this white stuff seen by the Mars Phoenix Lander water or carbon dioxide ice?
tl;dr: The slow sublimation rate over 4 days rules out CO2 as the primary component (which would have sublimated much more quickly when exposed to the warm-ish atmosphere and sunlight), and careful ...
- 149k
3
votes
How to calculate velocity components of a point on Mars surface w.r.t. Mars center?
I just realized that rather than x/y/z data I can just use latitude, longitude and distance from center both for calculating position and speed w.r.t. surface and landing site, by subtracting from ...
- 3,023
1
vote
Images of Mars Phoenix Lander showing what's happened after more cycles of winter ice build-up?
The image above is an enlarged part of a HiRiSE image captured in Januari 2012, and the only other one that I could find.
- 7,371
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