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    Preface

    Solid earth sciences

    201612201612

    Preface for the article collection “High-Pressure Earth and Planetary Science in the last and next decade”

    Sakamaki T, Suzuki A, Mysen B

    High Pressure, Early Earth, Magma, Fluid, Mantle, Core, Synchrotron X-ray

    Poster used for the Special Call for Excellent Papers on Hot Topics: “High-Pressure Earth and Planetary Science in the last and next decade”. From left to right: the surface of Mars, Earth, and Moon.

    Understanding formations, evolutions and interiors of terrestrial planets and moons is an important research target. Advances in seismological techniques enable us to image the detailed inner structure of the Earth. Dramatic technological developments can provide new observation data about not only the Earth but also the others. Several planetary exploration missions are in progress (e.g., BepiColombo for Mercury; InSight for Mars), and we’ll obtain the updated information of planets in the near future. In order to interpret the observation, high-pressure data of planetary materials (silicate minerals as crust and mantle, iron alloys as core) are required.

    This SPEPS aims to bring together high-pressure and temperature experiments on physics and chemistry of deep planetary materials, natural observation, and theoretical modeling within the principal subject areas of 'high-pressure science'.