Tematica Meteoriti, comete, fenomeni astronomici

Elenco degli Stati (26)

Angola (1)

Central African Republic (1)

Chad (2)

China (P.R.C.) (3)

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Comoros (1)

French Southern and Antarctic Lands (1)

Gabon (1)

Germany (2)

Greenland (1)

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Guinea (6)

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Madagascar (2)

Mali (19)

Mauritania (1)

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Niuafo'ou (2)

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U.S.S.R. (3)

Ukraine (1)