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Scientists working on the Cassini mission to Saturn have found evidence of liquid water on the planet's icy moon Enceladus, suggesting the possibility of life below its surface.
Scientists working on the Cassini space mission have found negatively charged water ions in the ice plume of Enceladus. Their findings, based on analysis from data taken in plume fly-throughs in 2008 and reported in the journal Icarus, provide evidence for the presence of liquid water, which suggests the ingredients for life inside the icy moon. The Cassini plasma spectrometer, used to gather this data, also found other species of negatively charged ions including hydrocarbons.
“While it’s no surprise that there is water there, these short-lived ions are extra evidence for sub-surface water and where there’s water, carbon and energy, some of the major ingredients for life are present,” said lead author Andrew Coates from University College London’s Mullard Space Science Laboratory.
Originally posted by sunny_2008ny
So now it is Saturn's moon that may have water on it. I think I have heard this story before. So life may be existing on Enceladus, and it would be interesting to know what future missions are planned for Enceladus.
All the ingredients of life are present, but can the life on that moon live in the shadows of the Saturn?
Scientists working on the Cassini mission to Saturn have found evidence of liquid water on the planet's icy moon Enceladus, suggesting the possibility of life below its surface.
Scientists working on the Cassini space mission have found negatively charged water ions in the ice plume of Enceladus. Their findings, based on analysis from data taken in plume fly-throughs in 2008 and reported in the journal Icarus, provide evidence for the presence of liquid water, which suggests the ingredients for life inside the icy moon. The Cassini plasma spectrometer, used to gather this data, also found other species of negatively charged ions including hydrocarbons.
“While it’s no surprise that there is water there, these short-lived ions are extra evidence for sub-surface water and where there’s water, carbon and energy, some of the major ingredients for life are present,” said lead author Andrew Coates from University College London’s Mullard Space Science Laboratory.
Source: www.physorg.com...
[edit on 8-2-2010 by sunny_2008ny]
There seems little doubt that Saturn's moon Enceladus hides a large body of liquid water beneath its icy skin. The Cassini probe, which periodically sweeps past the little moon, has returned yet more data to back up the idea of a sub-surface sea. This time, it is the detection of negatively charged water molecules in the atmosphere of Enceladus. On Earth, such ions are often seen where liquid water is in motion, such as waterfalls or crashing ocean waves.