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![Ask an Astrobiologist](https://webarchive.library.unt.edu/eot2008/20080916222344im_/http://astrobiology.nasa.gov/img/text/ask-an-astrobiologist.gif)
"Would you mind explaining what Urey and Miller's experiment actually was, and what they concluded from their experiment?"
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Galileo
External Link: Planetary Protection at NASA: Galileo
January 18, 2008
![Current Missions](https://webarchive.library.unt.edu/eot2008/20080916222344im_/http://astrobiology.nasa.gov/img/text/hd_current_missions.gif)
![Past Missions](https://webarchive.library.unt.edu/eot2008/20080916222344im_/http://astrobiology.nasa.gov/img/text/hd_past_missions.gif)
External Link: Planetary Protection at NASA: Galileo