Unformatted text preview: (tidally locked) Very weak magnetic field (why, in spite of large metal core?) Steep long cliffs (scarps) formed when the core cooled, shrinking the planet by ~20 km. Mercury seems to be geologically dead now....
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This note was uploaded on 09/12/2011 for the course AST 2002 taught by Professor Britt during the Spring '08 term at University of Central Florida.
- Spring '08