2007.11.04

5大非做不可的太空任務

太空經費日益拮据,在探索太陽系的眾多課題中,要優先進行哪些目標,才能夠把錢花在刀口上呢?

影像來源/NASA, ESA, AND J. HESTER AND A. LOLL Arizona State University

影像來源/NASA, ESA, AND J. HESTER AND A. LOLL Arizona State University

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