Rings in the Early Solar System Kept our Planet From Becoming a Super-Earth - Universe Today universetoday storybywill
In any case, the three pressure bumps in the Rice simulations coincided with the sublimation lines of silicate, water, and carbon monoxide – i.e., the line where these become vapor. Being the nearest ring to the Sun, the silicate ring is where Mercury, Venus, Earth, and Mars would form. The middle ring appeared at the “Snow Line” between Mars and Jupiter, while the farthest ring coincided with the Kuiper Belt.
To test this model, Izodoro and his team ran hundreds of supercomputer simulations to recreate the formation of the Solar System. The results proved to be a vast improvement over previous models of Solar System formation. Not only did their simulations produce rings like those seen in many young star systems, but they also faithfully reproduced several features of the Solar System that previous models failed to produce.
One of the improvements Rice team’s model offers over previous simulations is how it accurately predicted the mass of Mars. In previous simulations, Mars was predicted to be significantly more massive; in some cases, up to be ten times more massive than Earth. In contrast, the Rice team’s model correctly predicted the true mass of Mars because it showed that Mars was born in a low-mass region of the disk. It also addressed why Earth-sized planets appear to be in the minority of rocky exoplanets.
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