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Coldest Lava Exoplanet Found to Hold an Atmosphere

Exoplanets continue to challenge our understanding of planetary formation, evolution, and whether they might be able to support life as we know it. Scientists often use planets in our solar system as analogs for exoplanets, studying exoplanets with extremely short orbital periods forces scientists to constantly rethink our understanding of what planets can withstand during their lifetimes. One such type of exoplanet that has entered the foray in recent years are “lava world” exoplanets, and especially lava exoplanets that orbit dangerously close to their stars. But while it has been long known that lava worlds on with higher temperatures have atmospheres, “colder” lava worlds have been found to lack atmospheres.

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