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Originally posted by Illustronic
Originally posted by intrptr
reply to post by Illustronic
Have I heard correctly that if you were to somehow find yourself standing on the moons surface, that your body heat would create an ice geyser as you sank into it? Like it is totally frozen gasses like ammonia and methane on the surface and the difference in human body temp and the frozen surface is like throwing a hot coal into water?
How about the stuff escaping the "vents". Is that like a CO2 fire extinguisher shooting up in the air?
I've never heard that one, the surface and gas erupting from the polar hot spot is water ice. Here on JPL's Cassini site hit the virtual tour in the At a Glance box for a brief rundown. Its surface is nearly all water ice, trace amounts of CO2, NH3 (ammonia), and undefined and crystalline water ice, the plumes have no ammonia trace. It's the most reflective object in the solar system, keeping its surface -200ºC.
Enceladus is a puzzle, and has a complex number of tidal forces, a complex orbit and tectonic structure.
I can link a couple papers about its orbit if interested, but part of the Cassini spacecraft is to get more information of its surface composition.
Originally posted by elevenaugust
Check out this amazing view of Saturn's moon Enceladus....