Tag: Supernovae

The universe's sixth most common element, iron, is concentrated primarily in one place, though it's not where you might expect. Determining *where is there the most iron* depends on whether you're considering the cosmos, our planet's interior, or the accessible crust.

Approximately 79% of all naturally occurring magnesium is the isotope Magnesium-24, a stable isotope forged in the heart of stars. The cosmic tale of where did magnesium come from is an epic journey of stellar birth, nuclear fusion, and explosive death that seeded the universe with this essential element.