[meteorite-list] Mystery Spheres on Mars Finally Identified

From: stan . <laser_maniac_at_meteoritecentral.com>
Date: Thu Apr 22 10:32:51 2004
Message-ID: <Law10-F25GX3C9uveD3000204aa_at_hotmail.com>

at low temperture and pressure water tends to sublime, ie change directly to
the gas phase from a solid, as opposed to melt, then boil away, so unless
the water was liquified by impact, a comet wouldnt be a good source of free
liquid water on mars..



>From: "mark ford" <markf_at_ssl.gb.com>
>To: <meteorite-list_at_meteoritecentral.com>
>Subject: RE: [meteorite-list] Mystery Spheres on Mars Finally Identified
>Date: Thu, 18 Mar 2004 17:05:27 -0000
>
>
>
>
>Just a thought, but couldn't the spherules have been formed by slow
>boiling water from a cometry impact containing water & iron/minerals? -
>Since the atmospheric pressure is very low (and likely has been pretty
>thin through most of mars history) any standing water from say a big
>comet impact would have begun to boil would it not? - thereby forming
>iron rich spherical minerals...
>
>Anyone fancy boiling a large chunk of tagish lake in water to test the
>theory? :)
>
>
>Best,
>Mark Ford
>
>
>-----Original Message-----
>From: Ron Baalke [mailto:baalke_at_zagami.jpl.nasa.gov]
>Sent: 18 March 2004 16:41
>To: Meteorite Mailing List
>Subject: [meteorite-list] Mystery Spheres on Mars Finally Identified
>
>
>
>http://space.com/missionlaunches/mars_blueberries_040317.html
>
>
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Received on Thu 18 Mar 2004 02:47:41 PM PST