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Earths Richat Structure

APOD 2013-05-20

Summary:

What on Earth is that? What on Earth is that?

Link:

http://antwrp.gsfc.nasa.gov/apod/ap130519.html

From feeds:

Gudgeon and gist ยป APOD

Tags:

Date tagged:

05/20/2013, 04:00

Date published:

05/20/2013, 04:00