First global map of Mercury's surface roughness implies previous underestimation of the planet's radial contraction

Gaku Nishiyama

Presentation information

[E] Oral

P (Space and Planetary Sciences ) » P-PS Planetary Sciences

[P-PS11] Mercury Science and Exploration

Mon. May 25, 2026 3:30 PM - 5:00 PM 303 (International Conference Hall, Makuhari Messe)

Chairperson:Murakami Go(Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency)

4:25 PM - 4:50 PM

[PPS11-09] First global map of Mercury's surface roughness implies previous underestimation of the planet's radial contraction

*Gaku Nishiyama^1,2, Adrien Broquet¹, Nicola Tosi¹, Frank Preusker¹, Alexander Stark¹, Hauke Hussmann¹, Ernst Hauber¹ (1. German Aerospace Center (DLR), 2. The University of Tokyo)

Keywords:Mercury, geologic evolution, volcanism, tectonics, thermal evolution, topography

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