While sand dunes come in many shapes and sizes on Mars, the nearly perfect circular sand dunes found recently are unusual. The images were captured by the Mars Reconnaissance Orbiter (MRO), which was launched in 2005 and arrived at Mars in 2006.
The images were captured by the High Resolution Imaging Science...Read more...
NASA's Mars Reconnaissance Orbiter captured an image of the Red Planet's surface that resembles that of a bear's face. The image was taken with the High Resolution Imaging Experiment (HiRISE) camera onboard the Mars Reconnaissance Orbiter.
Since arriving in Mars' orbit in 2006, the Mars Reconnaissance Orbiter has...Read more...