The formation of our solar system from a singular nebula raises an intriguing question: why did each planet develop with a distinct and very different composition? This diversity stems from a ...

One theory is that our Sun's formation was initiated by a nearby ... This first-order model of planetary growth in the solar nebula is mainly driven by temperature and density variation, but there are ...

Artist rendition of the protosun and the solar nebula. Oxygen isotopes can be altered by ultraviolet light (gold arrows) in this environment as well. Short-lived radiogenic isotopes of aluminum ...