"Mars's volcanoes are supposed to be long dead, but the images show signs of activity recent enough that hot magma could still lie just below."
This is a major big deal if confirmed. I wonder what observations they are referring to? Thermal imaging or morphology?
cf.
From: Robert Clark (rgregoryclark@yahoo.com)
Subject: Active volcanic vent on Mars?
Newsgroups: sci.astro, alt.sci.planetary, sci.geo.geology
Date: 2004-02-12 12:58:08 PST
http://groups.google.com/groups?th=d6aa5ad5f46ec958&;
Bob Clark