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Francis Nimmo

Posted inEditors' Highlights

Young Ponds on Mars

by Francis Nimmo 25 February 202215 March 2022

A detailed study of evaporite (chloride) deposits on Mars shows that small bodies of surface water persisted until about 2.5 Ga, more recently than previously thought.

Posted inEditors' Highlights

A Deep-Space Origin for Volatile-Rich Asteroids

by Francis Nimmo 19 January 202215 March 2022

Spectral data and modeling suggest that volatile-rich main-belt asteroids initially formed at much greater distances from the Sun (>10 AU).

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