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![Ask an Astrobiologist](https://webarchive.library.unt.edu/eot2008/20090829210738im_/http://astrobiology.nasa.gov/img/text/ask-an-astrobiologist.gif)
"I took pictures several times of UFOs and small crafts not from our planet. If it is of your interest, how can I send you some photos? "
Now showing: Year 2008 projects that addressed Astrobiology Roadmap Objective 4.2 from the VPL-UW team
Roadmap Goal 4: Understand how past life on Earth interacted with its changing planetary and Solar System environment
Objective 4.2: Foundations of complex life
Modeling Early Earth Environments
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