The document discusses the Challenger Deep, the deepest known point in the oceans, located approximately 11 km deep in the Pacific Ocean near the Mariana Trench. It also contains a quote from J.R.R. Tolkien stating that Middle-earth refers to Earth, not another planet, dispelling a common misconception about Tolkien's works. The document concludes with a works cited section listing references about the Challenger Deep, Middle-earth, the golden mean, and various science websites.

1. Laura Werthmann

2. The Center of the Earth

10. • Challenger Deep
• Approximately 11 km
• Found near the southern tip of the
Mariana Trench in Pacific Ocean
• Distance is greater than that of
Mt. Everest.

18. “Most people have made this mistake of thinking
Middle-earth is a particular kind of earth or is
another planet of the science fiction sort, but it's just
an old fashioned word for this world we live in, as
imagined, surrounded by the Ocean.“
-J.R.R. Tolken

21. Works Cited
• TauTona, Anglo Gold." Mining Technology. Net Rescources. Web. 10 Nov. 2011. <http://www.mining-
technology.com/projects/tautona_goldmine/>.
• "Middle-earth." Lord of the Rings Wiki. Web. 10 Nov. 2011. <http://lotr.wikia.com/wiki/Middle-earth>.
• www.wikipedia.com/middle-earth
– Golden mean
• Universetoday.com
• Livescience.com
• www.exploreit.org