But, unlike the cores of the inner planets, the Moon's core contains little or no iron, while the typical planet-forming materials were quite rich in iron.
In contrast, qualitative issues, which are frequently neglected in choosing manufacturing site locations, are often central to creating and supporting a competitive advantage.
But for a country that tightly cites patriotism as one of its core values, the U.S. is taking a pass on what might be the most patriotic struggle of all.
Which makes it odd that the kitchen has become the heart of the modern house: what the great hall was to the medieval castle, the kitchen is to the 21st-century home.