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Name: Caitlin S.
Status: Student
Age: 11
Location: N/A
Country: N/A
Date: February 25, 2004


Question:
Besides seismic waves from earthquakes, what other methods are used to find out about the Earth's interior?



Replies:
Believe it or not, certain meteorites have given scientists clues about the Earth's interior. Along with seismic data, the chemical and mineral information from these meteorites has given scientists a pretty good idea of what is inside the Earth. There may be some information on a NASA web site about this--I would suggest that you do a little searching there.

Pat Rowe


Geographical measurements of changes in the magnetic field of the earth, and sensitive measurements of the local acceleration of gravity, measurement of residual magnetic fields in magnetic rocks, analysis of volcanic eruptions all provide information about the interior of the Earth of various sorts.

Vince Calder



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