Re: Mars temperatures - they're doing it again!
That average temperature was meant to be in Centigrade, as I was making a connection with the freezing point of water. I believe I saw once the average temperature in Fairbanks was below freezing.
Someone perhaps can post a web address for MOLA altitude measurements.
You might also like this article:
Use of spacecraft data to derive regions on Mars where liquid water would be stable.
Proc. Natl. Acad. Sci. USA, Vol. 98, Issue 5, 2132-2137, February 27, 2001
http://www.pnas.org/cgi/content/full/98/5/2132 [full text]
Bob Clark