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| | Astrobiology |
 | | NASA defines astrobiology as, "the study of the origin, evolution, distribution and destiny of life in the universe." (NASA Astrobiology Roadmap. |
 | | "Astrobiology: Origins From the Big-Bang to Civilisation." In the Proceedings of the Iberoamerican School of Astrobiology, Caracas, Venezuela, 28 November-8 December 1999. |
 | | Mizser, A.; Kereszturi, A. The Astrobiology Matrix and the "Drake Matrix" in Education." In Proceedings of the 34th Conference of Lunar and Planetary Science, Houston, TX, 17-21 March 2003. |
| www.hq.nasa.gov /office/hqlibrary/pathfinders/astro.htm (807 words) |
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