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.

(This feature was updated on August 13, 2013.)
Featured:
February 16, 2009 - March 1, 2009