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Written In Dust Feature Summary

Type:
Worth a Look
Title:
Written In Dust
Description:
Visit Written In Dust to find out how measurements of interplanetary dust accumulated at the ocean bottom provide information about the history of Earth's geology and climate. For more on the dust, see this Astronomy Picture of the Day.

Click to learn about the International Year of Astronomy 2009.

(This feature was updated on March 17, 2011.)
Featured:
February 16, 2009 - March 1, 2009