The Neptunian desert or sub-Jovian desert is the region close to a star (orbital periods less than 3.2 days) where very few Neptune-sized (4–10 R🜨 or 10–100 M🜨) exoplanets are found. This zone receives strong irradiation from the star, meaning the planets cannot retain their gaseous atmospheres: they evaporate, leaving just a rocky core.
The Neptunian desert or sub-Jovian desert is the region close to a star (orbital periods less than 3.2 days) where very few Neptune-sized (4–10 R🜨 or 10–100 M🜨) exoplanets are found. This zone receives strong irradiation from the star, meaning the planets cannot retain their gaseous atmospheres: they evaporate, leaving just a rocky core.
Source: Wikipedia "Neptunian desert" · CC BY-SA 4.0
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