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Keywords from Image Description:
Jornada Astronomica
ESIA Unidad Ticomn
TRANSITO DE MERCURIO
Mayo
Instituto Politecnico Nacional.
Mxico mxico mexico df poli politecnico tierra instituto ingeniera ipn politcnico institutopolitecniconacional ticomn ticoman cienciasdelatierra ipnesiacienciasdelatierra esiacienciasdelatierra interpolitecnicos esiaipnesia actitudpolitcnica