Lincoln Head Penny on Mars
Feb 20, 2017 11:59:28 #
NASA/JPL mounted a penny on the Curiosity Rover to use as a camera calibration target:
https://solarsystem.nasa.gov/galleries/penny-for-mars?linkId=34687907
https://solarsystem.nasa.gov/galleries/penny-for-mars?linkId=34687907
Feb 20, 2017 12:04:11 #
rgrenaderphoto wrote:
NASA/JPL mounted a penny on the Curiosity Rover to use as a camera calibration target:
https://solarsystem.nasa.gov/galleries/penny-for-mars?linkId=34687907
https://solarsystem.nasa.gov/galleries/penny-for-mars?linkId=34687907
Didn't know this. Thx.
Feb 20, 2017 12:49:53 #
Feb 20, 2017 13:48:44 #
since copper expands and contracts, corrodes easily, and is very heavy why did they choose copper plate
Feb 20, 2017 16:07:24 #
oldtigger wrote:
since copper expands and contracts, corrodes easily, and is very heavy why did they choose copper plate
A1909 penny is stamped from solid copper it's not plate?
Feb 20, 2017 16:08:55 #
RichardSM wrote:
A1909 penny is stamped from solid copper it's not plate?
Budget constraints, could not afford a nickle or 10 times that, a dime.
Feb 20, 2017 16:13:37 #
My feeling is why not send up a 1909 S VDB? Because it cost more than a 1909!
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