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Chemically distinct regions of Venus’s atmosphere revealed by measured N₂ concentrations

A MESSENGER flyby of Venus has detected a difference in N₂ composition between the upper and lower atmosphere. The presence of substantially distinct regions within Venus’s atmosphere has implications on remote sensing techniques for exoplanets.

Patrick N. Peplowski
David J. Lawrence
Jack T. Wilson
Research20 Apr 2020
Nature Astronomy

Volume: 4, P: 947-950
Remote sensing evidence for an ancient carbon-bearing crust on Mercury

Mercury appears darker globally than expected. Remote sensing evidence from the MESSENGER spacecraft indicates that the planet’s darkening agent is carbon and suggests that it originates from an ancient graphite-rich crust.

Patrick N. Peplowski
Rachel L. Klima
Sean C. Solomon
Research07 Mar 2016
Nature Geoscience

Volume: 9, P: 273-276
An in-situ 3D elemental imager for planetary missions based on active neutron interrogation

Mauricio Ayllon Unzueta
Luoth Chou
Ann M. Parsons
ResearchOpen Access03 Nov 2025
npj Space Exploration

Volume: 1, P: 1-8