At the center of Earth is a solid inner core of nickel and iron. *Note: The word "lithosphere" can take on different meanings depending on the speaker and the audience.
http://www.cotf.edu/ete/ESS/ESSspheres.html
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A solid metal ball of nickel and iron
http://wiki.answers.com/Q/What_is_at_the_center_of_eart...
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Seismologists noticed that records from an earthquake made around the world changed radically once the event was more than a certain distance away, about 105 degrees in terms of the angle between the earthquake and the seismograph as measured at the center of the earth.
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www.seismo.unr.edu/ftp/pub/louie/class/100/interior.htm...
www.seismo.unr.edu/ftp/pub/louie/class/100/interior.html
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There's a giant crystal buried deep within the Earth, at the very center, more than 3,000 miles down. It may sound like the latest fantasy adventure game or a new Indiana Jones movie, but it happens to be what scientists discovered in 1995 with a sophisticated computer model of Earth's inner core.
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www.psc.edu/science/Cohen_Stix/cohen_stix.html
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Alas for adventure lovers, the picture is strikingly different from the one described by Jules Verne in his 1864 scientific paper, Journey to the Center of the Earth.
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www.straightdope.com/columns/read/2226/whats-at-the-cen...
www.straightdope.com/columns/read/2226/whats-at-the-center-of-the-earth
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The Center for International Earth Science Information Network (CIESIN) is a center within the Earth Institute at Columbia University. ... Center for International Earth Science Information Network (CIESIN) Columbia University...
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Art Gallery - Center of the Earth Gallery, A contemporary Fine Art Gallery. Center of the Earth Gallery exhibits original works of art for personal, corporate, and institutional settings. With over 20 years of experience in the fine arts, owners Ruth Ava Lyons and J. Paul Sires are insiders. ... this site requires Flash 5.0.
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www.centeroftheearth.com/
www.centeroftheearth.com/
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In 2009, Center of the Earth Gallery will celebrate over 20 years as a dynamic venue that is dedicated to the exhibition of significant art of our time. We represent over 50 artists of all styles, media, and price ranges.
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www.centeroftheearth.com/fs01_main.html
www.centeroftheearth.com/fs01_main.html
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NSSDC Lunar & Planetary Science: Earth Page ... The NSSDC no longer actively archives Earth science data. The relevant data have been transferred to various Distributed Active Archive Centers (DAACs). ... EROS Data Center (EDC) DAAC...
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nssdc.gsfc.nasa.gov/planetary/planets/earthpage.html
nssdc.gsfc.nasa.gov/planetary/planets/earthpage.html
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