To provide easy access to the original files we have provided direct links to NASA's servers listed below the thumbnails. Clicking on the thumbnails will display significantly higher resolution versions loading directly from NASA servers. Some of the links are to high resolution TIFF files are as large as 122 MB so be warned.
With the exception of the one illustration, every image below has been included because they show Kilroy's rock.
The descriptions below each image are copied verbatim from NASA's sites. All annotations are from the original source as well. Please note the image credits.
Main NASA archive: https://mars.nasa.gov/mer/gallery/press/spirit/2004.html
And: https://photojournal.jpl.nasa.gov/targetFamily/Mars?subselect=Spacecraft%3ASpirit%3A
UPDATE NASA is playing games, several links to archives that have existed for more than a decade have been removed. All external links have worked for a long time, but many are now broken. I will work on this to get it working, at least for a moment. I am extremely irritated in this. Makes you wonder what they are thinking.
To 'Bonneville' and Beyond
marsrovers.nasa.gov/gallery/press/
The route of NASA's Mars Exploration Rover Spirit, from its landing site to its location on sol 72 (March 16, 2004) near the rim of the large crater dubbed "Bonneville" is pictured here on this traverse map. The map consists of data from NASA's Mars Global Surveyor orbiter and NASA's Mars Odyssey orbiter. The varying terrains surrounding Bonneville -- crater floor, crater wall, crater rim, crater ejecta (material ejected from the crater) and intercrater plains -- are highlighted in different colors.
Image credit: NASA/JPL/Malin Space Science Systems/ASU/New Mexico Museum of Natural History.
'Bonneville Crater' Panorama
marsrovers.nasa.gov/gallery/press
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This 360-degree view from a position beside the crater informally named "Bonneville" was assembled from frames taken by the panoramic camera on NASA's Mars Exploration Rover Spirit. Half of this panorama was first released on March 15, 2004. The entire mosaic, recently completed, reveals not only the crater rim and interior, but Spirit's tracks and a glimpse at part of the rover. The images were acquired on sol 68, March 12, 2004, just one day after Spirit reached this location. The image is a false-color composite made from frames taken with the camera's L2 (750 nanometer), L5 (530 nanometer) and L6 (480 nanometer) filters.
Image credit: NASA/JPL
Heatshield on the Horizon
marsrovers.nasa.gov/gallery/press/
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The Mars Exploration Rover Spirit acquired this panoramic camera image mosaic on the 68th martian day, or sol, of its mission (March 12, 2004). The reflective speck about 200 meters (650 feet) away, on the far crater rim, was immediately a point of interest for scientists and engineers alike. They soon were able to identify it as Spirit's protective heatshield.
While the debris is too far away to make out clearly, orbital imagery of the area acquired before and after Spirit landed supports scientists' and engineers' conclusion. Prior to Spirit's landing, the surface at this location appeared undisturbed in orbital images, while post-landing images revealed a large gouge where the heatshield now rests.
The smaller image in the box at the lower left corner provides a closer look at the heatshield, and was taken at a lower compression by the panoramic camera on sol 69 (March 13, 2004). Lower compression results in higher quality images. While both the full panorama and close-up are depicted in approximate true color, their colors vary slightly because different filters were used to acquire them. The close-up image was taken with the 600, 530 and 480 nanometer filters. The large mosaic was taken with the 750, 530 and 480 nanometer filters.
Spirit's Destination (panorama)
marsrovers.nasa.gov/gallery/press
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This panoramic image mosaic from the Mars Exploration Rover Spirit panoramic camera, shows the rover's destination toward the hills nicknamed the "Columbia Hills," on the right. The rover's heatshield can be seen on the left as a tiny bright dot in the distance, just under the horizon. Dark drift material can be seen in the image center. The rover is currently positioned outside the view of this image, on the right. This image was taken on sols 68 and 69 of Spirit's mission (March 12 and 13, 2004) from the location the rover first reached on the western rim of the crater. The image is in approximate true color, based on a scaling of data from the red, green and blue (750 nanometers, 530 nanometers, and 480 nanometers) filters.
Image credit: NASA/JPL/Cornell
Almost Like Being at 'Bonneville'
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The Mars Exploration Rover Spirit took this 3-D navigation camera mosaic of the crater nicknamed "Bonneville" on the 67th martian day, or sol, of its mission. The rover's solar panels can be seen in the foreground, and just above the far crater rim, on the left side, is the rover's heatshield, which is visible as a tiny reflective speck.
Image credit: NASA/JPL
Bonneville in Color
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The rim and interior of a crater nicknamed "Bonneville" dominate this 180-degree, false-color mosaic of images taken by the panoramic camera of NASA's Mars Exploration Rover Spirit. Spirit recorded this view on the rover's 68th sol, March 12, 2004, one sol after reaching this location. The rover remaining here in part to get this very high-resolution, color mosaic, from which scientists can gain insight about the depth of the surface material at Bonneville and make future observation plans. On sol 71, Spirit was instructed to drive approximately 15 meters (49 feet) along the crater rim to a new vantage point.
The image is a false-color composite made from frames taken with the camera's L2, L5 and L6 filters.
Image credit: NASA/JPL/Cornell
At the Rim, Looking In
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The Mars Exploration Rover Spirit took this navigation camera mosaic of the crater called "Bonneville" after driving approximately 13 meters (42.7 feet) to get a better vantage point. Spirit's current position is close enough to the edge to see the interior of the crater, but high enough and far enough back to get a view of all of the walls. Because scientists and rover controllers are so pleased with this location, they will stay here for at least two more martian days, or sols, to take high resolution panoramic camera images of "Bonneville" in its entirety. Just above the far crater rim, on the left side, is the rover's heatshield, which is visible as a tiny reflective speck.
Image credit: NASA/JPL
A Deep Dish for Discovery
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On the 66th martian day, or sol, of its mission, the Mars Exploration Rover Spirit finished a drive and sent back this navigation camera image mosaic revealing "Bonneville" crater in its entirety. Spirit has spent more than 60 sols, two thirds of the nominal mission, en route to the rim of the large crater dubbed "Bonneville." The rover stopped on occasion to examine rocks along the way, many of which probably found their resting places after being ejected from the nearly 200-meter-diameter (656-foot) crater. The science team sent the rover to "Bonneville" to find out more about where the rocks they have examined so far originated. Reaching the rim of this deep dish has been a major priority since day one. According to science team member Dr. John Grant of Washington D.C.'s National Air and Space Museum, the "Bonneville" crater could be a giant window into the ancient past of the Gusev landing site. He said, "The rocks that we see scattered around our landing site may be ejecta from inside "Bonneville," but we won't know that for sure until we actually investigate the crater. We can look at the rocks' form and chemistry, but we don't know how they fit into the big picture. If we can find their occurrence within the walls of "Bonneville" crater, we'll be one step closer to understanding the processes that shaped the entire Gusev area over time."
Most scientists agree that a fitting prize for this long drive would be to find an outcrop of bedrock material that was not transported, but formed in the crater. When a meteorite slams into the ground and creates a crater, it throws surface debris out to the sides, revealing the older, mostly buried material, a sort of natural "road cut." The real gem would be to find exposed layers of the ancient rock within the "cut" walls of the crater, which would give scientists a peek into how the area formed. "The Gusev landing site is at least partially covered in a layer of ejecta material," said Grant. "As Mars was repeatedly pelted with meteorites, the ejecta kept piling on top of other ejecta leaving a blanket of debris and little trace of what the original surface was. We want to see beneath all that impact debris, into what is really filling the Gusev crater. Hopefully "Bonneville" crater will give us a clue to what the material is at the top of that pile."
Image credit: NASA/JPL
Temperature Map, "Bonneville Crater"
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Rates of change in surface temperatures during a martian day indicate differences in particle size in and near "Bonneville Crater." Temperature information from the miniature thermal emission spectrometer on NASA's Mars Exploration Rover Spirit is overlaid onto a view of the site from Spirit's panoramic camera. This sequence of five frames begins at the top with data from 10:15 a.m. local solar time at Spirit's location inside Mars' Gusev Crater. The times of the subsequent frames are 11:49 a.m., 1:35 p.m., 2:35 p.m. and 4:39 p.m.
In this color-coded map, quicker reddening during the day suggests sand or dust. (Red is about 270 Kelvin or 27 degrees Fahrenheit.) An example of this is in the shallow depression in the right foreground. Areas that stay blue longer into the day have larger rocks. (Blue indicates about 230 Kelvin or minus 45 Degrees F.) An example is the rock in the left foreground.
Image credit: NASA/JPL
Temperature Map, "Bonneville Crater" (10:15 a.m.)
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Rates of change in surface temperatures during a martian day indicate differences in particle size in and near "Bonneville Crater." This image is the first in a series of five with color-coded temperature information from different times of day. This one is from 10:15 a.m. local solar time at the site where NASA's Mars Exploration Rover Spirit is exploring Mars. Temperature information from Spirit's miniature thermal emission spectrometer is overlaid onto a view of the site from Spirit's panoramic camera. In this color-coded map, quicker reddening during the day suggests sand or dust. (Red is about 270 Kelvin or 27 degrees Fahrenheit.) An example of this is in the shallow depression in the right foreground. Areas that stay blue longer into the day have larger rocks. (Blue indicates about 230 Kelvin or minus 45 Degrees F.) An example is the rock in the left foreground.
Image credit: NASA/JPL
'Bonneville' and Beyond
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On the 66th martian day, or sol, of its mission, the Mars Exploration Rover Spirit finished a drive and sent back this navigation camera panorama showing "Bonneville" crater and the rocky plains surrounding it. The rover's solar panels are visible in the foreground, and the to right, the Columbia Hills complex. Zooming into the picture, the rover's parachute can be seen as a tiny white dot at the far left, and just above the far crater rim is the heatsheild, visible as a tiny reflective speck.
Image credit: NASA/JPL
'Bonneville' in 3-D!
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The Mars Exploration Rover Spirit took this 3-D navigation camera mosaic Of the crater called "Bonneville" after driving approximately 13 meters (42.7 feet) to get a better vantage point. Spirit's current position is close enough to the edge to see the interior of the crater, but high enough and far enough back to get a view of all of the walls. Because scientists and rover controllers are so pleased with this location, they will stay here for at least two more martian days, or sols, to take high resolution panoramic camera images of "Bonneville" in its entirety. Just above the far crater rim, on the left side, is the rover's heatshield, which is visible as a tiny reflective speck.
Image credit: NASA/JPL
An analyst born 53 days before NASA. A midwesterner now living in the southeast. 
