Comments are being solicited from members of the astrobiology community on the following paper(s) that will be submitted to the 2009-2011 Planetary Science Decadal Survey. Papers will be revised based on community feedback. Additonal papers will be posted here as they become available.



Please send comments on the first 5 papers (the last added July 22) to ps_decadal@nx.arc.nasa.gov no later than July 31, 2009. Please send comments on papers posted subsequently to the same address by August 17, 2009.

For more information on the decadal survey, visit: http://www7.nationalacademies.org/ssb/SSEdecadal2011.html