View Full Version : A Penny for your Curiosity on Mars

2012-Feb-27, 03:00 AM
NASAís huge Curiosity Mars Science Lab (MSL) rover is carrying a vintage Lincoln penny along for the long interplanetary journey to Mars – and itís not to open the first Martian savings account. Scientists will use the century old Lincoln penny – minted back in 1909 – as a modern age calibration target for one [...]

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