Iron volcanoes may have erupted on metal asteroids
Monday, April 8, 2019 - 17:00
in Earth & Climate
Metallic asteroids are thought to have started out as blobs of molten iron floating in space. As if that's not strange enough, scientists now think that as the metal cooled and solidified, volcanoes spewing liquid iron could have erupted through a solid iron crust onto the surface of the asteroid.