Scientists Find Volatile Outgassing Creating Mercury Streaks
Researchers from the University of Bern and INAF analyzed about 100,000 MESSENGER images (2011–2015) and mapped roughly 400 bright lineae, the team reports in Nature Communications Earth & Environment on January 27, 2026. The streaks cluster on sun-facing slopes of young impact craters and are attributed to volatile-driven outgassing and hollows, indicating ongoing geological activity; BepiColombo observations in late 2026 will enable direct comparison.
Scoring Rationale
Peer-reviewed, novel global census of ~400 lineae supports volatile-driven activity; limitation is primarily niche planetary-science relevance to data professionals.
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Sources
- Read OriginalMercury lives on? Strange streaks hint at active worldearthsky.org
