Mercury’s Hollows may be Young and Active

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Mercury’s Hollows may be Young and Active

Editors’ Highlights are summaries of recent papers by AGU’s journal editors. Source: Journal of Geophysical Research: Planets Hollows are one of the most surprising features discovered by the MErcury Surface, Space ENvironment, GEochemistry, and Ranging (MESSENGER) mission to the planet Mercury. Hollows are small, shallow, rimless depressions unique to Mercury that suggest widespread loss of volatile-rich material from the planet’s surface. Howe…