EntityQ3073430· pop 6· linked from 6 articlesiron catastropheSign in to saverunaway melting of early earth's interior as a result of potential energy release from sinking iron and nickel melted by heat of radioactive decayConnectionsEarthConceptSunConceptMarsEntityironEntitylifeEntityInternational Standard Book NumberEntitynickelEntityatmosphere of EarthEntitymagmaEntitysolar windEntityhistory of EarthEntityplanetary scienceEntitysunlightEntityEarth's magnetic fieldEntitymagnetosphereEntityPBSEntityaccretionEntityradioactive decayEntitygravitational energyEntityplanetary differentiationEntityCategoriesGeological processesHadeanPlanetary science