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Geophysics
3
Earth-Surface Processes
2
galaxies: individual (NGC 3278)
2
Antarctic Peninsula
1
Cenozoic
1
Cretaceous
1
Earth and Planetary Sciences (miscellaneous)
1
Geochemistry and Petrology
1
Gondwana
1
South Shetland Islands
1
Space and Planetary Science
1
paleomagnetism
1
supernovae: general
1
supernovae: individual (SN 2009bb)
1
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