Contact: Marcie Grabowski
University of Hawaii ‑ SOEST
Caption: The surfaces of tiny interplanetary dust particles are space-weathered by the solar wind, causing amorphous rims to form on their surfaces. Hydrogen ions in the solar wind react with oxygen in the rims to form tiny water-filled vesicles (blue). This mechanism of water formation almost certainly occurs in other planetary systems with potential implications for the origin of life throughout the galaxy.
Credit: John Bradley, UH SOEST/ LLNL.
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