derrick_pitts_090602_0270.tif
Derrick Pitts, the Chief Astronomer for the Franklin Institute, points out details of Galileo's telescope to some young visitors to the exhibit in Philadelphia on June 2, 2009.
- Copyright
- © 2009 Ryan Donnell
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- 3000x2000 / 17.2MB
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- Keywords
- Contained in galleries
- Portrait Archive