Rare metallic asteroids might have erupted molten iron

The metallic asteroid Psyche has mystified scientists because it is less dense than it should be, given its iron-nickel composition. Now, a new theory could explain Psyche’s low density and metallic surface. Unlike most asteroids, Psyche appears to be composed largely of iron and nickel instead of rocky rubble. Metal-rich asteroids are thought to have … Read more Rare metallic asteroids might have erupted molten iron