Tectonics
Last Updated: February 12, 2024
Lobate Scarps and a Shrinking World
Thrust faults wrinkle Mercury as its interior cooled and the crust buckled like a loosened skin.
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Thin
air
Last Updated: February 19, 2023
Mercury's Sodium Tail in the Dawn Sky
A collisionless exosphere paints a comet-like sodium stream in telescopes tuned to forbidden transitions.
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Volatiles
Last Updated: June 21, 2022
Polar Shadow Vaults and Radar Bright Guilt
Permanently shadowed craters may hold water ice delivered by diplomacy between impacts and cold traps.
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Formation
Last Updated: February 8, 2022
Mercury’s Oversized Core Cold Case
A planet mostly core teases giant impacts, vigorous differentiation, or both—pick your trauma, bring data.
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