Is this giant chunk of metal all that is left of a planet the size of Mars?
Its name is 16 Psyche. At 210 kilometres wide, it is easily one of the bigger asteroids, but Psyche’s stand-out feature is that it is made almost entirely of metal.
That is so unusual that NASA is funding a seven-year mission to visit the asteroid with a robotic spacecraft and study it in detail.
Read more on the original article: Meet the metal marvel of the asteroid belt