Here is a link to the companion paper published in 2010 for anyone interested: http://www.planetary.brown.edu/pdfs/3805.pdf http://www.planetary.brown.edu/pdfs/

Here is a link to the companion paper published in 2010 for anyone interested: http://www.planetary.brown.edu/pdfs/3805.pdf http://www.planetary.brown.edu/pdfs/3805.pdf