{"id":826,"date":"2011-04-18T12:00:10","date_gmt":"2011-04-18T11:00:10","guid":{"rendered":"https:\/\/www.oewf.org\/?p=826"},"modified":"2011-06-04T17:45:03","modified_gmt":"2011-06-04T16:45:03","slug":"extravehicular-activity-eva-in-rio-rinto-and-the-role-of-the-science-operation-team","status":"publish","type":"post","link":"https:\/\/oewf.org\/en\/2011\/04\/extravehicular-activity-eva-in-rio-rinto-and-the-role-of-the-science-operation-team\/","title":{"rendered":"ExtraVehicular Activity (EVA) in Rio Tinto and the role of the Science Operation Team"},"content":{"rendered":"

The science experiments are one of the most important tasks of Rio Tinto Mission, which are controlled by the Science Operation Team (SciOps). The SciOps includes the Remote Science Support Team (RSS) and the Personal Investigators (PI) and lots of other tasks. We are responsible for the \u201esuit tester\u201d performing the experiments correctly on the field, handling the data, analysing and interpreting them. Following these, we have to take the decision on what could be the next step.<\/strong><\/p>\n

We have planned the EVA tracks for during the simulation days, which guide the suit-tester to find the most optimal roads using remote science data to implement the experiments. Basic questions for EVA tracks plan could be: 1. Define the mission goals! 2. What are the criterias? 3. Which is the data needed for planning? 4. What are the important\/usefull tools? More questions: 1. What is the maximum distance from the Habitable Zone (HAB)? Where do we want to build up our HAB anyway? 2. How much time can the \u201esuit tester\u201d spend outside of HAB? 3. What is the length of each experiment? What is the technical\/science plan for the days?<\/p>\n

In the Rio Tinto Mission the most important site selection criterion is safety and just after that is the selection of scientifically (geologically, biologically) interesting sites. The EVAs were planned using Google Earth and 0.5 meter\/pixel resolution aerial images.<\/p>\n

The EVA tracks plan was finished before the crew went away to \u201eMars\u201d. The SciOps goal is to compare the \u201eremote data\u201d with the field data, which will be collected soon. This experiment will help us understand what we are watching from space, what we thinking about, and after if it is the same on the field or not.<\/p>\n

During the first EVA the following science experiments will be taken: Ground Penetrating Radar (GPR) measurement, Raman spectroscopy, Microbial Assessment, Eurobot, and \u201eScaled Observations\u201d experiment.<\/p>\n

The GPR<\/strong> is a geophysical method that uses radar pulses to imagine the subsurface. This nondestructive method uses electromagnetic radiation in the microwave band of radio spectrum, and detects the reflected signals from subsurface structures. In our case, we would like to know, where the boundaring layer is, what separates the soil from the bedrock. This information is very important in identifying the exact location to drill. (We would like to drill, so we have the need a minimum of 1-2 meters depth to reach the bedrock.)<\/p>\n

The Raman spectroscopy<\/strong> is used to identify the minerals in some points in the field.<\/p>\n

The \u201eScaled Observation\u201d<\/strong> experiment focus on the comparison of data acquired during the mission at different spatial scales (e.g. 100m, 10m, and 1m from the visited site), and extrapolate the results to Martian conditions.<\/p>\n

The Microbial assessment<\/strong> will consist in sampling the suit for bacteria in order to identify organisms that might be present there.<\/p>\n

The Eurobot Ground Prototype<\/strong>; a mobile autonomous robotic system for planetary exploration, which is belongs to the European Space Agency.
\nThe vehicle is designed to work both autonomously as well as in full cooperation with astronauts.<\/p>\n

\"Our<\/a>

EVA1 Draft Plan. The site 1 is the start point of both GPR measurements. GPR+Raman spectrometry would be taken on the same way. During the retour trip towards the base camp it could be great to take a picture about the light toned area (see the green arrow on the map) at site2, because this phenomena is located on all available images.<\/p><\/div>\n

See below our Eva track maps for the first day!<\/p>\n

Number of EVA: 1<\/strong>
\nDate: 18. Apr2011
\nMax. Distance from the Base Camp: 255 m
\nMax. Length: ~1000 m
\nTime Duration: 2 hours
\nTimeline\/Experiment:
\n10:00 \u2013 11:00\/Suit+GPR1
\n11:00 \u2013 12:00\/Suit+Raman<\/p>\n

\"The<\/a>

Start point of GPR measurements toward the negative gradient. The red arrow shows the topographic gradient dip to southwest direction. See on the cross-section box.<\/p><\/div>\n

Number of EVA: 2<\/strong>
\nDate: 18. Apr2011
\nMax. Distance from the Base Camp: 350 m
\nMax. Length: ~1000 m
\nTime Duration: 3 hours
\nTimeline\/Experiment:
\n15:00 \u2013 16:00\/ Suit+Eurobot\/ESA
\n16:00 \u2013 17:00\/ Suit+Raman2+IR
\n17:00 \u2013 18:00\/ Suit+Geophysics-Akos<\/p>\n

\"The<\/a>

EVA2 Draft Plan. \u201eSuit+Raman2+IR\u201d experiment will be measured toward the direction of the GPR2 line. \u201eSuit+Geophysics-Akos\u201d experiment will be taken on Site 2,3,4. These sites indicate good marker points on the map, but resolution of 0.5m\/pixel is not enough to identify detailes.<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

The science experiments are one of the most important tasks of Rio Tinto Mission, which are controlled by the Science Operation Team (SciOps). 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