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Mars rover Daily Updates -Spirit Making Ground - Opportunity-A Beautiful Grind
NASA - JPL ^ | 2-24-2004 | NASA/JPL

Posted on 02/24/2004 4:52:19 PM PST by Phil V.

Daily Updates - February 24, 2004

Spirit Status for sol 51 Making Ground posted Feb. 24, 2 pm PST

To inspire a morning "run" on sol 51, which ended at 3:15 p.m. Tuesday, PST, Spirit woke up to Vangelis’ "Chariots of Fire." The rover deployed its arm, took microscopic images of the soil in front of it and then proceeded toward its target, "Middle Ground." Spirit drove 30 meters (98.4 feet), breaking its own record for a single-sol traverse. Along the way, Spirit paused to image rocks on both sides of the drive path with its panoramic camera.

The auto-navigational software that drove the last 12 meters (39.4 feet) of the traverse to the "Middle Ground" target warned Spirit that the slope into the hollow that houses it was too steep (according to parameters set by rover engineers). Spirit then paced along the rim, looking for a safe way down. Unable to locate a secure path into the crater before the sol ended, Spirit ended up facing slightly west of north instead of northeast, as called for by the plan. This orientation will reduce the amount of data the rover can return (due to interference between the UHF antenna and items on the rover equipment deck), but it will be corrected in the coming sols.

As of today, Spirit has moved 183.25 meters (601.21 feet) and is now roughly 135 meters (442.91 feet) from its landing site, Columbia Memorial Station.

The intent for the next several sols will be to drive Spirit into "Middle Ground" and take a full panorama of the surrounding area to identify scientifically interesting rocks.

--------------------------------------------------------------------------------

Opportunity Status for sol 30 A Beautiful Grind posted Feb. 24, 11:15 am PST

On sol 30, which ended at 2:56 a.m. Tuesday, February 24, Opportunity performed its first rock abrasion tool operation on a rock target known as 'McKittrick Middle Rat' at the El Capitan site inside the crater. The tool shaved the rock over a period of two hours, grinding into a total depth of about 4 millimeters (.16 inches).

The auspicious day began with the song 'Rock'n Me' by Steve Miller and some miniature thermal emission spectrometer sky surveys and sky stares to study the atmosphere. After completing these activities, Opportunity took a short siesta to recharge its batteries. The rover has been doing a lot of science work at night, and the season on Mars is changing to winter, so the rover has less energy to work with than it did earlier in the mission. The martian days are getting shorter and the sun angle is not allowing either rover to power up the solar panels as much as in the past.

Opportunity woke up from its nap at 11:30 Local Solar Time on Mars to run through the series of commands required to retract the alpha particle X-ray spectrometer and close its doors; take several microscopic images of another nearby rock abrasion tool target called 'Guadalupe;' flip the wrist; take a microscopic image of "McKittrick Middle Rat;" and place the rock abrasion tool on its target to run at 13:00 Local Solar Time.

After the abrasion tool was retracted, a series of microscopic images of the scene were taken, and the alpha particle X-ray spectrometer was successfully placed into the abrasion tool's hole late in the day.

Some additional panoramic camera, miniature thermal emission spectrometer readings, and hazard avoidance camera imagery was completed through the day.

The plan for sol 31, which will end at 3:36 a.m. Wednesday, February 25, is to continue getting long Moessbauer readings of the rock abrasion tool hole and to prepare the tool for more work again on sol 33 or 34.


TOPICS: Extended News; Foreign Affairs; Front Page News; News/Current Events
KEYWORDS: mars
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To: Phil V.
You don't suppose NASA would intentionally blur the latest images they're putting out do you? Naa... Probably just a focus prob.


241 posted on 02/27/2004 11:19:27 AM PST by FireTrack
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To: Phil V.
Checking today's Opprtunity MI images. I'm not saying its time to don the foil hats, but "The Thing" is getting harder to see. It's probably just the change in lighting, but save those original downloads anyway.


242 posted on 02/27/2004 11:56:26 AM PST by ElkGroveDan (Fighting for Freedom and Having Fun)
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To: Piltdown_Woman
Holy cr...cow! That thing in the middle looks like a belemnite!

That is (according to http://www.udel.edu/dgs/Education/stfossil.html) a squid/octopus/cuttlefish type mollusk? If that type mollusk is around, why not clams, too? Clams (bivalves) are less "advanced", right? (no eyes or "limbs", or mobility to speak of).

243 posted on 02/27/2004 12:56:55 PM PST by Don Joe (We've traded the Rule of Law for the Law of Rule.)
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To: ElkGroveDan
Checking today's Opprtunity MI images. I'm not saying its time to don the foil hats, but "The Thing" is getting harder to see. It's probably just the change in lighting, but save those original downloads anyway.

IMO (former professional photographer), it's just different lighting. Softer light, lower contrast, actually better real detail, but less observable contrast. Boost the contrast in your image editor, lay on a little unsharp mask, and you will likely see even better visible resolution than yesterday's pictures. (Sadly, I don't have an image editor available at the moment, damn, I hate it when I'm hobbled by a catastrophic hard drive failure.)

Anyway, it looks like there's another one of 'em visible in that shot (I'm speaking of the second photo you posted, BTW). If you look at the upper right quarter of the image, you'll see what looks vaguely like a right arrow, sitting atop an "up caret".

Something like this (roughly speaking):

______\
      /

      /\
     /  \
 

Now, if you look at the top part of the "head" of the "arrow", you'll ssee what looks like another one of the "whatevers", a bit more curled, sort of like its "fingers" are almost in a circle.

244 posted on 02/27/2004 1:15:12 PM PST by Don Joe (We've traded the Rule of Law for the Law of Rule.)
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To: FireTrack
From the http://www.space.com site:

February 27, 2004
02:15 pm ET
Opportunity Says Adios to El Capitan
Opportunity has moved on to other stony pastures after completing its studies of the rock El Capitan.

The rover's journey was short, just six inches (15 centimeters), but was enough to get it the nearby rock Guadalupe for the next round of Martian studies.

"Things are still going well," explained Richard Cook, project manager of the Mars Exploration Rover program. "We did a very small drive to Guadalupe, where we're going to site for another few days."

Scientists plan to use Opportunity's Rock Abrasion Tool (RAT) and other robot arm instruments in their study of Guadalupe.

Meanwhile, Cook said that rover controllers have taken a low-power approach to communicate with the rover. Instead of using its high-gain antenna to contact Earth first thing in the Martian morning, Opportunity is sending a simple wake-up beep to save power. A single daily high-gain session is scheduled for the afternoon, but Opportunity is relying more on its lower-power UHF antenna to send home the bulk of its science data.

"We're going to shift more focus onto the UHF [mode] because it’s the way to get the most amount of data down," Cook said. Now in its 34th day on Mars, Opportunity's solar panels are generating about 650 watt-hours of power, down from an initial 900 watt-hours at landing due dust accumulation and changing light availability due to seasons.

Spirit Approaches Humphrey


Like its robot twin, the Spirit rover has approached its next science target, a rock called Humphrey.

Spirit, now finishing its 54th day on Mars, drove about three feet (1 meter) up to Humphrey and scientists are currently deciding the best way to study it. Discussions include using the brushes on Spirit's Rock Abrasion Tool (RAT) to first clean the surface of Humphrey without drilling.

"There is some talk about brushing off three spots close together, and then use the RAT in two areas just next to each other," said Richard Cook, project manager of the Mars Exploration Rover program at NASA's Jet Propulsion Laboratory (JPL).

By drilling two holes close together, basically to make one big hole, JPL scientists believe they will be able to use the Miniature Thermal Emission Spectrometer - or Mini-TES - atop the Spirit's mast to scan the subsurface of Humphrey. A single RAT hole is about two inches (45 millimeters) wide.

-- Tariq Malik
245 posted on 02/27/2004 2:05:15 PM PST by FireTrack
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To: FireTrack
Rotini! There's lasagna on Mars!
246 posted on 02/27/2004 5:53:19 PM PST by djf
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To: Don Joe
When I was looking at some of the Spirit micrographs, I saw something that looked remarkably like a snail shell. I didn't post it then because I thought everybody would think I was nuts. Now I have to go back and muddle thru them to find it...

247 posted on 02/27/2004 5:56:41 PM PST by djf
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To: Don Joe
If that type mollusk is around, why not clams, too?

I may have to eat my words, Don Joe...IF it bears out that we are indeed looking at fossil remains.

BTW...what is it with you and clams?

248 posted on 02/27/2004 10:44:35 PM PST by Aracelis
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To: djf
I thought everybody would think I was nuts.

Join the club...there are a few of us nuts here.

249 posted on 02/27/2004 10:45:50 PM PST by Aracelis
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To: FireTrack
It's going to take a time for the enormity of this to soak in if true.

Indeed...my brain's been buzzing all day with various hypotheses, not to mention thoughts of how the general public would react given the current political/religious environment.

250 posted on 02/27/2004 10:56:01 PM PST by Aracelis
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To: Piltdown_Woman
BTW...what is it with you and clams?

Heck if I know. When I lived in NYC (decades ago, when a knish was a quarter and a huge slice of real pizza was .15c), I'd go down to the fish market and buy a sack of fresh softshell clams and take 'em home and then gorge myself after steaming them. Can't do that in the midwest. I used to find "river clams" every now and then, maybe ten years ago, but the taste wasn't anything like the real thing. Hardshell clams I can get sometimes, but I don't. They're small, and exhorbitantly priced. The way I worked out to cook 'em was to get big ones, then pressure cook them instead of steaming. Then, I'd take them out of the shells, "butterfly" slice them (or halve them if large enough), dip in egg, breadcrumbs, and deepfry. Mmmmm.... tender, delicious, and everyone loved 'em.

Dang, I'm hungry now.

251 posted on 02/28/2004 12:21:39 AM PST by Don Joe (We've traded the Rule of Law for the Law of Rule.)
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To: Piltdown_Woman
Indeed...my brain's been buzzing all day with various hypotheses, not to mention thoughts of how the general public would react given the current political/religious environment.

Politically I can't say, I see chaos no matter what happens or doesn't happen on Mars (look at my posts in the Larry Craig thread for background). As far as "religious", I don't see a problem. I'm a fairly conventional "evangelical Christian", and I don't have a problem with either life "scattering" off this planet via impact, or, God creating it on other planets if he saw fit.

252 posted on 02/28/2004 12:26:17 AM PST by Don Joe (We've traded the Rule of Law for the Law of Rule.)
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To: Don Joe
Dang, I'm hungry now.

I had a feeling this was your connection with clams.. Well, if you ever open Chez DJ, and feature clams, I shall be your first customer. :^)

253 posted on 02/28/2004 12:29:59 AM PST by Aracelis
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To: Don Joe
I'm a fairly conventional "evangelical Christian", and I don't have a problem with either life "scattering" off this planet via impact, or, God creating it on other planets if he saw fit.

I agree completely...God can do whatever He wants, whenever He wants.

254 posted on 02/28/2004 12:31:12 AM PST by Aracelis
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To: Don Joe
G'nite, DJ...been a very long week. I shall dream of bivalves in your honor.
255 posted on 02/28/2004 12:33:25 AM PST by Aracelis
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To: thchronic
I lack the talent to pull something like that off.

Fortunately, I have the Avia Guide to Home Theater, a DVD used for calibrating televisions for home theater setups. It includes plastic red and blue filters (for colour calibration) that work as 3D viewers in a pinch.
256 posted on 02/28/2004 12:39:15 AM PST by Dimensio (I gave you LIFE! I -- AAAAAAAAH!)
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To: All
A final note for the night -- I should have clarified it, the site I linked from did clarify it in the caption on the page containing the picture (the one with "A 'seashell' on Mars?" superimposed on the image -- third image in post 213), and I though it was obivous, but what with the new interest in the topic, I want to point out that the picture of the red and white striped snail (or whatever it is) is a "for example" picture of an earth shell that he pasted there for reference (so you could see the similarity to the one the line points at).

Just trying to clarify it, lest someone think that crystal clear, razor sharp picture pasted onto the red-toned somewhat blurry mars-shot if part of the mars picture. (And, lest I get bashed over the head by someone who might see it later, and not see what to me is obvious.)

Ah, there we go. Caveat, caveat, caveat, you're all informed now. (Apologies to the Firesign Theater, and now I'm off!)

257 posted on 02/28/2004 12:58:58 AM PST by Don Joe (We've traded the Rule of Law for the Law of Rule.)
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To: Piltdown_Woman
...my brain's been buzzing all day with various hypotheses

Of course, the next step would be missions dedicated specifically to the search for any remaining life forms (surely something would have survived/adapted) and to the search/cataloging of fossilized remains of previous Martian life.

You wanta take a ride??? :-)

258 posted on 02/28/2004 6:43:42 AM PST by FireTrack
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To: Piltdown_Woman
NASA released new opportunity grind micro images. I'm impressed by how perfectly round the sphericals are and how they are evenly dispersed. The RAT screwed up some possible fossils doing the grind but looks like another critter hiding in a crevice on the left. You can make out what appears to be its head. I wonder if the critters had anything to do with how these crevices were formed?

Maybe the critters are just accretion formations and not critters at all? Personally, I don't think so.


259 posted on 02/28/2004 8:05:01 AM PST by FireTrack
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To: Monty22; wirestripper; Don Joe; Phil V.; Indie; Djarum; RightWhale
Ping
260 posted on 02/28/2004 8:13:25 AM PST by FireTrack
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