"ಆಸ್ಟ್ರೋಬಯಾಲಾಜಿ" ಆವೃತ್ತಿಗಳ ಮಧ್ಯದ ಬದಲಾವಣೆಗಳು

* [http://www.loc.gov/loc/kluge/fellowships/NASA-astrobiology.html Astrobiology Research at The Library of Congress]

* [http://www.astrobiologysurvey.org Astrobiology Survey] – An introductory course on astrobiology