NASA Mars Mission: No Little Green Men -- Yet
11/30/2012 NASA debunks rumors of new evidence of life on Mars, but its Curiosity rover continues to make many smaller discoveries. Some of NASA's latest images raise interesting questions.
11/30/2012 NASA debunks rumors of new evidence of life on Mars, but its Curiosity rover continues to make many smaller discoveries. Some of NASA's latest images raise interesting questions.
Morse Code
One little known fact about Curiosity is that the tread marks on the rover's wheels leave an imprint in Morse code that spells out "JPL" for Jet Propulsion Lab, which is mission central for the Mars project. The holes in the wheels leave tracks that help the SUV-like vehicle drive more accurately. Curiosity navigates using visual odometry software that measures terrain features to calculate distances as it goes from one location to another. Credit: NASA
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