New Mars Express And Huygens Results, ESA conference - November 30, 2005 |
New Mars Express And Huygens Results, ESA conference - November 30, 2005 |
Guest_paulanderson_* |
Nov 22 2005, 06:15 PM
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http://www.esa.int/esaCP/SEMA96ULWFE_index_0.html
Relating to Mars Express: "At the same time, ESAs Mars Express mission is continuing its investigations of Mars, painting a new picture of the 'red planet'. This includes the first ever probing below the surface of Mars, new geological clues with implications for the climate, newly-discovered surface and atmospheric features and, above all, traces of the presence of water on this world." |
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Guest_BruceMoomaw_* |
Dec 7 2005, 07:37 AM
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Since the ESA -- to my amazement -- seems to be serious about flying ExoMars (maybe serious enough to cancel BepiColombo for it), the obvious question is: should both it AND MSL be sent to phyllosilicate sites, or should one of them be sent to a different type of terrain, such as a Meridiani-type sulfate deposit? (A pretty strong case can be made, actually, that they SHOULD both go to diferent phyllosilicate sites.)
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Dec 8 2005, 01:11 AM
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Member Group: Members Posts: 112 Joined: 17-November 05 From: Canberra Member No.: 558 |
QUOTE (BruceMoomaw @ Dec 7 2005, 07:37 AM) Since the ESA -- to my amazement -- seems to be serious about flying ExoMars (maybe serious enough to cancel BepiColombo for it), the obvious question is: should both it AND MSL be sent to phyllosilicate sites, or should one of them be sent to a different type of terrain, such as a Meridiani-type sulfate deposit? (A pretty strong case can be made, actually, that they SHOULD both go to diferent phyllosilicate sites.) I don't think there can be any dount that ExoMars has been a very serious and strong contender of a future Mars mission for quite some time. So it is good that it looks like full funding has now been confirmed through 2011. The phillosilicate sites are as follows: 1. Isemenius Lacus slightly rougher at MOC scale than the MER sites, rare mesas, fairly featureless 34.0 N 2. Syrtis Major site somewhat rougher at all scales compared to equivalent imagery of MER sites, lots of rampart craters, diversity of surface geological units, channel-like feature, 19.91 degrees N 3. Mwarth Vallis site much rougher at all scales compared to equivalent imagery of MER sites, diversity of surface geological units, distinct channel-like feature, 24.54 N 4. Nili Fossae site very much rougher at all scales compared to equivalent imagery of MER sites, diversity of surface geological units, rift-like features, mesas, dunes, possible fans 24.54 N As you would expect, the more interesting the site the rougher the topography. I would suggest that site 2 is a good compromise although i would like 3 or 4. A lot depends on the nature of the landing system as to how rough a site it can land in, both in respect to small scale surface roughness and hazard avoidance. All of these sites are within the 45 degrees N or S of the equator limits specified by ExoMars. Opportunity went to Merdiani in search of haematite and found sulphate as the big item. ExoMars will go to Syrtis (or wherever) and will find ????? Jon |
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Guest_paulanderson_* |
Dec 8 2005, 08:44 PM
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QUOTE (JonClarke @ Dec 7 2005, 05:11 PM) The phillosilicate sites are as follows: 1. Isemenius Lacus slightly rougher at MOC scale than the MER sites, rare mesas, fairly featureless 34.0 N 2. Syrtis Major site somewhat rougher at all scales compared to equivalent imagery of MER sites, lots of rampart craters, diversity of surface geological units, channel-like feature, 19.91 degrees N 3. Mwarth Vallis site much rougher at all scales compared to equivalent imagery of MER sites, diversity of surface geological units, distinct channel-like feature, 24.54 N 4. Nili Fossae site very much rougher at all scales compared to equivalent imagery of MER sites, diversity of surface geological units, rift-like features, mesas, dunes, possible fans 24.54 N What about the Terra Meridiani and Arabia Terra regions, as also listed by ESA? Isemenius Lacus too? Not mentioned in the ESA list, and I couldn't find it on the Mars maps I have, even looking at 34.0 N. Are there any others that you know of? |
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