As far as I know, Psyche was named before its metallicity was known (it’s only the 16th asteroid ever discovered!) but the name is surprisingly apt given how it

As far as I know, Psyche was named before its metallicity was known (it’s only the 16th asteroid ever discovered!) but the name is surprisingly apt given how it was long thought to be the exposed core of a protoplanet. The hypothesis appears to be mostly ruled out by observations, though.