Some Exoplanets Can Create Their Own Water Through Crust-Atmosphere Reactions

November 20, 2025 Universe Today

Some Exoplanets Can Create Their Own Water Through Crust-Atmosphere Reactions
By Evan Gough (https://ift.tt/pXYdLPi)

This artist's illustration shows a dry, hydrogen-rich exoplanet transitioning to a water world. Image Credit: Jenny Horn.

Exoplanets need not acquire their water from external sources like asteroids and comets. New experiments show that at least one common type of exoplanet can generate its own water. Interactions between hydrogen and silicates on sub-Neptunes can create water that could make some of the habitable.

November 21, 2025 at 02:16AM
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