PIA05522: Focus on "Humphrey"
Target Name: Mars
Is a satellite of: Sol (our sun)
Mission: Mars Exploration Rover (MER)
Spacecraft: Spirit
Instrument: Microscopic Imager
Rock Abrasion Tool (RAT)
Product Size: 1024 x 1024 pixels (width x height)
Produced By: JPL

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Original Caption Released with Image:
This animation shows several zoomed-in views of the rock dubbed "Humphrey" following its successful grinding with the Mars Exploration Rover Spirit's rock abrasion tool. These microscopic images were taken at varying heights to bring the rock surface into focus. By combining these images, scientists can also create three-dimensional models. The images were acquired on the 60th martian day, or sol, of the rover's mission by its microscopic imager. The observed area is 3 centimeters (1.2 inches) across.
Image Credit:
NASA/JPL/Cornell/USGS

Image Addition Date:
2004-03-09