
The magma ocean period was a critical phase determining how Earth atmosphere developed into habitability.
The magma ocean period was a critical phase determining how Earth atmosphere developed into habitability.
Chondrites, the building blocks of the terrestrial planets, have mass and atomic proportions of oxygen, iron, magnesium, and silicon totaling ≥90% and variable Mg/Si (∼25%), Fe/Si (factor of ≥2), and Fe/O (factor of ≥3).