>From the article.... He said the disappearing chunks could not have been carbon-dioxide ice at the local temperatures because that material would not have been stable for even one day as a solid.
On Wed, Jun 25, 2008 at 2:47 PM, <[EMAIL PROTECTED]> wrote: > In reply to Horace Heffner's message of Sat, 21 Jun 2008 22:49:16 -0800: > Hi, > > I wonder what the temperature is? Could the white substance be dry-ice? (Given > that the atmosphere is primarily CO2). > > [snip] >> >>http://www.jpl.nasa.gov/news/phoenix/images.php?fileID=14060 >> >>Some of the objects in the above black and white photos appear to >>move sideways, not just sublimate. More than just ice? Stuff >>growing? Small moving things at the bottom of the photo, just beyond >>the end of the trench, look like little balls on top of growing >>stalks. The the effect is not just due to a changing sun angle. Two >>stalks at the bottom lip of the right hand trench move in opposed >>directions. >> >>http://www.jpl.nasa.gov/news/phoenix/release.php?ArticleID=1756 >> >>http://www.jpl.nasa.gov/news/phoenix/images.php?fileID=14120 >> >>Best regards, >> >>Horace Heffner >>http://www.mtaonline.net/~hheffner/ >> >> >> > >
