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| Fig. 986.052 Robot Camera Photograph of Tetrahedra on Mars: On their correct but awkward description of these gigantic polyhedra as "three-sided pyramids" the NASA scientists revealed their unfamiliarity with tetrahedra. |
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| Fig. 986.052 Robot Camera Photograph of Tetrahedra on Mars: On their correct but awkward description of these gigantic polyhedra as "three-sided pyramids" the NASA scientists revealed their unfamiliarity with tetrahedra. |