FYI. Space.Com published a story on possible ancient hydrothermal vents on Mars today. Photo of Great Fountain Geyser accompanies the story. http://www.space.com/scienceastronomy/080522-mars-silica.html Pat Snyder -------------- next part -------------- An HTML attachment was scrubbed... URL: </geyser-list/attachments/20080522/93a9bb46/attachment.html>