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Re: water on saturn's moon

Subject: Re: water on saturn's moon
From: Steve Willner
Date: 14 Mar 2006 13:00:42 -0500
Newsgroups: sci.astro
In article <[email protected]>,
 [email protected] writes:
> I know this is probably a very dumb question for all you leaned people,
> but how do they know it is water coming from those geysers, and not
> something else like liquid nitrogen or something else? 

Nope, it's a fine question.  I wish the press releases had explained
better.  As far as I can tell, all the articles are in the March 10
issue of _Science_.  From just a quick glance, I gather Cassini had
both UV spectroscopy and mass spectrometry to identify the water.

If there's a real expert around, how about commenting further?

Steve Willner            Phone 617-495-7123     [email protected]
Cambridge, MA 02138 USA                 
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