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Sender:	"Maps, Air Photo, GIS Forum - Map Librarianship" <[log in to unmask]>
Date:	Tue, 29 Jun 2010 09:53:24 -0500
Reply-To:	"Maps, Air Photo, GIS Forum - Map Librarianship" <[log in to unmask]>
Subject:	Gravity map article at bbc
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Organization:	American Geographical Society Library
From:	Angie Cope <[log in to unmask]>
Parts/Attachments:	text/plain (27 lines)

-------- Original Message --------
Subject:        Gravity map
Date:   Tue, 29 Jun 2010 08:52:05 -0500
From:   Christopher Baruth <[log in to unmask]>
To:     Angie Cope <[log in to unmask]>

  Goce satellite views Earth's gravity in high definition

By Jonathan Amos
Science correspondent, BBC News, Bergen

*It is one of the most exquisite views we have ever had of the Earth.*

This colourful new map traces the subtle but all pervasive influence the
pull of gravity has across the globe.

Known as a geoid, it essentially defines where the level surface is on
our planet; it tells us which way is "up" and which way is "down".

read the whole article and see the map:

http://news.bbc.co.uk/2/hi/science/nature/8767763.stm

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