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A Red Cent on a Red Planet: Curiosity’s 1909 Lincoln Penny

Curiosity’s calibration target, imaged with MAHLI on March 9, 2017 (mission sol 1632). Credit: NASA/JPL-Caltech/MSSS.

On March 9, 2017, NASA’s Curiosity rover took this picture with its turret-mounted MAHLI camera of the calibration target installed near the “shoulder” of its robotic arm. In addition to color chips and a metric line graph, the target also includes a U.S. coin: a 1909 Lincoln penny, adhered heads-up.

Curiosity’s coin isn’t just for good luck though; it’s also a nod to geologists who typically use familiar objects in field photos to help determine scale. (Curiosity is, after all, one of only two working robot geologists on all of Mars!)

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Curiosity Gazes on Mars’ Moon Phobos

Image of Phobos(?) from Curiosity on June 1, 2015.

Image of Phobos(?) from Curiosity on June 1, 2015.

Do you love to look up at the Moon? Well so does NASA’s Curiosity rover! Feel free to correct me if I’m wrong (I have not confirmed this) but this appears to be an image of Phobos, the larger of Mars’ two small moons, imaged by Curiosity’s Mastcam on mission Sol 1002 (June 1, 2015). I spotted it while looking though some raw images on JPL’s MSL mission page.

Detail of Phobos from Curiosity

Detail of Phobos from Curiosity

Phobos is a very small world, only about 16 miles (26 km) across, and orbits Mars at about 3,700 miles (6,000 km) altitude. Curiosity has imaged it before, once actually crossing in front of the Sun during an eclipse event on Aug. 20, 2013.

Both Phobos and its smaller, more distant sibling Deimos have been imaged together by Curiosity as well, during an occultation on Aug. 1, 2013. See an animation of those observations here.

Planned observations of Phobos help scientists more precisely determine its orbit.

See a color image of Phobos acquired by the HiRISE camera aboard Mars Reconnaissance Orbiter here.

Image: NASA/JPL-Caltech/MSSS.

Curiosity’s View Into Marias Pass

Panorama mosaic of MSL images acquired on May 22, 2015

Marias Pass – a panorama mosaic of MSL images acquired on May 22, 2015.

The image above shows Curiosity’s view southwest into “Marias Pass,” a low valley in Gale Crater where the rover was on May 22, 2015 – mission Sol 992. At the left (east) edge is the western slope of a rise called Akipuni Mountain, and Mount Shields rises off to the right (west). The image is a mosaic made from four Mastcam images – click to view it full-size on Flickr.

The site is a bit of a backtrack from its previous location at Logan Pass, since the rover has been experiencing some slipping on the loose surface material in the area.

“Mars can be very deceptive,” said Chris Roumeliotis, Curiosity’s lead rover driver at NASA’s Jet Propulsion Laboratory, Pasadena, California. “We knew that polygonal sand ripples have caused Curiosity a lot of drive slip in the past, but there appeared to be terrain with rockier, more consolidated characteristics directly adjacent to these ripples. So we drove around the sand ripples onto what we expected to be firmer terrain that would give Curiosity better traction. Unfortunately, this terrain turned out to be unconsolidated material too, which definitely surprised us and Curiosity.”

Read more on Curiosity’s progress here, and see a map of its traverses to this point here.

Image credit: NASA/JPL-Caltech/MSSS. Edited by Jason Major.

Curiosity’s First “Selfie” of 2015

Mosaic of Curiosity images acquired on Jan. 14, 2015 (NASA/JPL-Caltech/MSSS/Jason Major)

Mosaic of Curiosity images acquired on Jan. 14, 2015 (NASA/JPL-Caltech/MSSS/Jason Major)

Here’s a “selfie” of NASA’s Curiosity rover, made from about 20 images acquired by its MAHLI instrument on mission sol 868 (January 14, 2015). I used Photoshop to stitch the raw images together and then enhanced the contrast and detail with a bit of HDR effect. (There’s one spot behind the rover’s RTG where an image wasn’t available.)

How did Curiosity take this image (well, these images) you ask?

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A Postcard from Mars: Salsberry Peak Panorama

Mosaic of Mastcam images acquired by Curiosity on Dec. 21, 2014

Mosaic of Mastcam images acquired by Curiosity on Dec. 21, 2014 (click for hi-res version)

Every now and then I get unexpectedly caught up in a project that I originally intended to be a quick just-for-fun thing and ends up taking an hour and a half of my time (usually long after I should have gone to bed.) This was one of those.

Made up of 28 raw images acquired by Curiosity’s right Mastcam camera, this is a panorama of the rover’s surroundings in Gale Crater on mission Sol 844 – December 21, 2014 our time. The colors are what one would see in ambient Mars lighting… for a more Earth-like view, see below:

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