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MARS: CURIOSITY u krateru GALE

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Post by Ero 17/2/2016, 00:56

Boja neba u različito doba dana

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Post by Ero 17/2/2016, 10:24

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Post by Ero 18/2/2016, 06:29

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Post by Ero 18/2/2016, 17:57

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Post by Ero 18/2/2016, 18:02

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Post by Ero 20/2/2016, 06:44

Sols 1256-1261: Driving Around the Dune

19 February 2016
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Apologies for the lateness of this week’s update: The rover is fine, gradually working its way around the north end of a large dune. I’m just an absent-minded blogger with too many other things going on!
We started this week on Tuesday with the Sol 1256 plan. This included some long distance ChemCam RMi images of a location on Mt. Sharp that I have been advocating for, plus some small Mastcam mosaics of targets “Chuos”, “Guinas”, “Aroab”, and the rover deck. This was followed by a ~30 m drive and post-drive imaging.
The 1257 plan was more challenging than we would have liked because we didn’t get the data expected from Sol 1256 due to an issue with the Deep Space Network (the data isn’t lost, just delayed). With most of our data missing, Sol 1257 ended up being mostly untargeted observations. ChemCam did an RMI calibration target observation, followed by a long-distance RMI mosaic of the Peace Vallis alluvial fan. Navcam had an atmospheric observation to look for clouds and measure wind direction right above us. After that, the rover did a “turn for comms” where we turn in place to improve our ability to uplink and downlink data, followed by some post “drive” imaging.
On Sol 1258 we had a bunch more untargeted observations. Navcam had several atmospheric observations, watching for clouds over Mt. Sharp and straight above the rover, plus watching for dust devils. ChemCam had a passive sky observation to measure the atmospheric composition, and Mastcam had an observation of the crater rim to measure the dust in the atmosphere and a tau measurement of the sun for a similar purpose.
In the second science block on Sol 1258, ChemCam repeated the passive sky observation, and Mastcam repeated the observation of the crater rim and the sun. These Mastcam observations were repeated one more time later in the day to see whether the amount of dust changes with time of day.
For today’s weekend plan, there was some uncertainty about whether the rover would be level enough to allow for contact science, but we were happy to find out that it is! We start out on Sol 1259 with ChemCam observations of the targets “Gross Aub”, “Groot Aub”, “Gorob”, and “Grosskopf”, with Mastcam images to document. Navcam also has an atmospheric observation. Then later in the day we will brush the dust off of the target “Gorob”, with MAHLI images before and after.  MAHLI will also take some images of “Groot Aub”. APXS will then measure the composition of “Groot Aub” and then do an overnight measurement of “Gorob”. On Sol 1260 we will drive a few meters, then take some pictures of the wheels with MAHLI, and then continue driving for another hour or so, followed by post-drive imaging. Finally, on Sol 1261, ChemCam will do some calibration target observations, and Navcam has a few more atmospheric observations.
by Ryan Anderson
-Ryan is a planetary scientist at the USGS Astrogeology Science Center and a member of the ChemCam team on MSL.

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Post by Ero 21/2/2016, 22:47

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Post by Ero 22/2/2016, 17:22

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Post by Ero 22/2/2016, 17:24

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Post by Ero 23/2/2016, 16:39

Sols 1262-1263: Driving Toward Naukluft Plateau

22 February 2016
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We’re gearing up for a nice long drive toward the “Naukluft Plateau” in today’s plan! The sol 1262 plan starts off with ChemCam of the bedrock targets “Gemsboktal” and “Ghaub”, with Mastcam documentation. Mastcam will also take a picture of the interesting wind-blown ripples of the target “Hoachanas”. After that, we will drive 70 meters or so to the northwest, stopping on a small ridge. After the drive, the rover will do standard post-drive imaging of our new surroundings. Overnight, CheMin will analyze its sample from Scoop #5 on the target “Gobabeb”.

Sol 1263 will be all untargeted observations. Mastcam will observe the rover deck to assess how much dust and sand are on the rover, and ChemCam has two long distance RMI mosaics of the stratigraphy of the Peace Vallis alluvial fan (these can be untargeted because they’re so far away that the camera pointing doesn’t really change much when we drive). Mastcam then has a standard “tau” observation, and Navcam has some cloud monitoring of the southern horizon. Later in the day, Navcam has some more atmospheric monitoring, and Mastcam will repeat the tau observation.

 

by Ryan Anderson

-Ryan is a planetary scientist at the USGS Astrogeology Science Center and a member of the ChemCam team on MSL.

Dates of planned rover activities described in these reports are subject to change due to a variety of factors related to the martian environment, communication relays and rover status.

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Post by Ero 24/2/2016, 13:51

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Post by Ero 24/2/2016, 13:57

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Post by Ero 25/2/2016, 10:55

Sols 1264-1265: Halfway to Naukluft Plateau

24 February 2016
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We had a successful ~70 meter drive toward the Naukluft plateau, and the drive in today’s plan should put us about halfway to the base of the plateau. The Sol 1264 plan starts with some targeted science: first we have a Mastcam mosaic of the scarp that forms the edge of the plateau, and then ChemCam will analyze the two targets “Awahab” and “Awa Gamteb”. After the targeted science, the rover will drive about 30 meters and do standard post-drive imaging so we can do targeted science (and possibly contact science) over the weekend.
In the early morning of Sol 1265, we have a bunch of atmospheric observations with Navcam and Mastcam to watch for clouds and measure the amount of dust in the atmosphere. Then later in the day Mastcam will repeat its dust observations. I was involved in planning this morning and we were hoping to get some long-distance RMI observations of Mt. Sharp in the Sol 1265 plan, but they had to be removed because the software we use to write the commands was giving different coordinates than what we were expecting from the images. It’s always disappointing to have observations pulled from the plan, but it’s better to be safe than sorry when you start to get weird results from the software. Pulling them from the plan allows us to figure out what the issue was, and we can get the images I wanted some other time.

by Ryan Anderson
-Ryan is a planetary scientist at the USGS Astrogeology Science Center and a member of the ChemCam team on MSL.

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Post by Ero 25/2/2016, 14:59

Izuzetno opasan put u nastavku...
Tražit će se rješenje i izlaz uz samu dinu...

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Post by Ero 25/2/2016, 16:55

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Post by Ero 25/2/2016, 16:56

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Post by Ero 25/2/2016, 23:34

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Post by Ero 26/2/2016, 12:32

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Post by Ero 26/2/2016, 12:33

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Post by Ero 26/2/2016, 23:03

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Post by Ero 1/3/2016, 00:19

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