Study reveals how magma oceans may affect the evolution of hot exoplanets. Lava worlds, massive exoplanets home to sparkling skies and roiling volcanic seas called magma oceans, are distinctly unlike the planets in our solar system. To date, nearly 50% of all rocky exoplanets yet discovered ha
and data collected from previous studies to construct a module that included information on several types of magma compositions, researchers simulated several evolutionary scenarios of an Earth-like planet with surface temperatures from between 2600 and 3860 degreesFrom the models they created, the team was able to discern that mantles of magma ocean planets can take on one of three forms: the first in which the entire mantle is completely molten, the second where a magma ocean lies on the...
For example, the study notes that a basal magma class planet that is 4 times more massive than Earth can trap more than 130 times the mass of water than in Earth’s oceans today, and about 1,000 times the amount of carbon currently present in the planet’s surface and crust. Instead, their research reveals that scientists should focus on other terrestrial parameters such as fluctuations in a planet’s surface gravity to test their theories about how hot lava worlds operate, especially if future researchers plan on using their data to aid in larger planetary studies.
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