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The earth and the moon
The moon is the only body in the solar system outside of the Earth that has been visited by humans. More than 440 pounds of lunar material are brought by NASA and Soviet space missions to Earth for study. The information gleaned about the moon from this relatively small pile of rocks is mind-bogglin...
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| Lenguaje: | eng |
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Infobase Publ.
2010
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| Acceso en línea: | http://cds.cern.ch/record/1668169 |