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Personal Note

Hello my fellow Star Wars fans!  You may have noticed (and if you haven’t, you can go about your business.  Move along, move along.) that I’ve been posting less and a bit sporadically of late.  I just wanted to take a minute to explain.  There’s actually something really life-altering and huge going on for me right now and I don’t have as much free time as I used to.  I’ll expand upon what’s going on at a later date, but I just wanted to explain why I’m so behind on everything - posts, watching Rebels, responding to asks, updating my other blogs, etc.   I’m still around and still posting, but it may be a bit before I can get back to a more regular schedule.  

I appreciate your patience and understanding and as always, 

Curiosity Self-Portrait at 'Mojave' Site on Mount Sharp












NASA - Mars Science Laboratory (MSL) patch.

February 24, 2015

Curiosity Self-Portrait at ‘Mojave’ Site on Mount Sharp
This self-portrait of NASA’s Curiosity Mars rover shows the vehicle at the “Mojave” site, where its drill collected the mission’s second taste of Mount Sharp.

The scene combines dozens of images taken during January 2015 by the Mars Hand Lens Imager (MAHLI) camera at the end of the rover’s robotic arm.  The pale “Pahrump Hills” outcrop surrounds the rover, and the upper portion of Mount Sharp is visible on the horizon.  Darker ground at upper right and lower left holds ripples of wind-blown sand and dust.

An annotated version, labels several of the sites Curiosity has investigated during three passes up the Pahrump Hills outcrop examining the outcrop at increasing levels of detail. The rover used its sample-collecting drill at “Confidence Hills” as well as at Mojave, and in late February was assessing “Telegraph Peak” as a third drilling site.

 Curiosity Self-Portrait at ‘Mojave’ Site on Mount Sharp annotated (Click on the image for enlarge)
The view does not include the rover’s robotic arm.  Wrist motions and turret rotations on the arm allowed MAHLI to acquire the mosaic’s component images. The arm was positioned out of the shot in the images, or portions of images, that were used in this mosaic. This process was used previously in acquiring and assembling Curiosity self-portraits taken at sample-collection sites “Rock Nest” (http://photojournal.jpl.nasa.gov/catalog/PIA16468), “John Klein” (http://photojournal.jpl.nasa.gov/catalog/PIA16937) and “Windjana” (http://photojournal.jpl.nasa.gov/catalog/PIA18390).

Curiosity used its drill to collect a sample of rock powder from target “Mojave 2” at this site on Jan. 31, 2015.  The full-depth, sample-collection hole and the shallower preparation test hole beside it are visible in front of the rover in this self-portrait, and in more detail at http://photojournal.jpl.nasa.gov/catalog/PIA19115 .  The Mojave site is in the “Pink Cliffs” portion of the Pahrump Hills outcrop. The outcrop is an exposure of the Murray formation, which forms the basal geological layer of Mount Sharp.  Views of Pahrump Hills from other angles are at http://photojournal.jpl.nasa.gov/catalog/PIA19039 and the inset at http://mars.jpl.nasa.gov/msl/multimedia/images/?ImageID=6968 .

The frames showing the rover in this mosaic were taken during the 868th Martian day, or sol, of Curiosity’s work on Mars (Jan. 14, 2015).  Additional frames around the edges to extend the amount of terrain included in the scene were taken on Sol 882 (Jan. 29, 2015).  The frames showing the drill holes were taken on Sol 884 (Jan. 31, 2015).

For scale, the rover’s wheels are 20 inches (50 centimeters) in diameter and about 16 inches (40 centimeters) wide.  The drilled holes in the rock are 0.63 inch (1.6 centimeters) in diameter.

MAHLI was built by Malin Space Science Systems, San Diego. NASA’s Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, manages the Mars Science Laboratory Project for the NASA Science Mission Directorate, Washington. JPL designed and built the project’s Curiosity rover.

More information about Curiosity is online at http://www.nasa.gov/msl and http://mars.jpl.nasa.gov/msl/.

Images, Text, Credits: NASA/JPL-Caltech/MSSS.

Greetings, Orbiter.ch
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