Katie's+Bibliography

back Bibliography Jakosky, Bruce. "The Search for Life on Other Planets" Cambridge University Press, United Kingdom, 1998. W. Jones, Barrie. "Life in the solar system and beyond". Praxis Publishing Ltd, Chichester, UK, 2004. Yount, Lisa. "Modern Astronomy: expanding the universe" Chelsea House, U.S.A, 2006. "Could life exist on discovered extra-solar planets?". 1997. Kapteyn Astronomical Institute. May 30, 2009. < [] > Raiciu, Tudor. "Life on Titan?". September 9, 2005. Softpedia News. May 30, 2009. < [|] > "The habitable zone". 2008. PBS. May 30, 2009.<[]>