[Baps] BU seminar 2/23 Michael Hecht / JPL, Mars dirt

[Paul Withers]

-------- Original Message --------
Subject: 	[Csp_seminar] 2/23 Michael Hecht / Jet Propulsion Lab,
California Institute of Technology
Date: 	Fri, 17 Feb 2012 15:07:58 +0000
From: 	Rochette, Amanda E <rochette at bu.edu>
To: 	announce at skynet.bu.edu <announce at skynet.bu.edu>,
Csp_seminar at bu-ast.bu.edu <Csp_seminar at bu-ast.bu.edu>



Speaker: Michael Hecht

Affiliation: California Institute of Technology

Title: A world in a grain of sand – contemplating soil regolith granular
surficial deposits dirt on Mars.**

Date: Thursday, Feb 23, 2012

Time: 3:30 PM Refreshments in CAS 500, 4:00 PM Talk

Place: 725 Commonwealth Ave. CAS 502

Abstract:

Mars is a world of rock and ice, blanketed by a thin layer of largely
homogeneous soil. The 2008 Phoenix Lander mission studied that layer in
some very new ways, returning microscopic images that resolve most of
the individual soil grains, providing startling new information about
its soluble chemistry, and informing us about the interaction of soil
with water in the form of ice, vapor, and liquid. This talk will review
some of the highlights of those experiments, with emphasis on particle
size distributions and other recent findings that speak to the history
of water. The disappointing news is that the soil of Mars is very dry,
and has been very dry for a very long time.

//

/For a complete list of this semester’s seminar speakers and abstracts,
please visit: http://www.bu.edu/csp/edoutreach/seminar. If you no longer
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*Amanda Rochette*

Proposal Development Administrator

Boston University

Center for Space Physics

725 Commonwealth Avenue, Room 506, Boston, MA 02215

Tel: (617) 353-5992 Fax: (617) 353-6463

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