Geodesy, Geophysics and Fundamental Physics Investigations of the BepiColombo Mission
作者： Francesco Santoli , Luciano Iess , Nicola Tosi , Gregor Steinbrügge , Nicolas Thomas
DOI: 10.1007/S11214-021-00808-9
关键词: Geodesy 、 Solar System 、 Engineering 、 Geophysics 、 Altimeter 、 Planet 、 Spacecraft 、 Radio Science 、 Mercury (element) 、 Planetary science 、 Orbiter
摘要: In preparation for the ESA/JAXA BepiColombo mission to Mercury, thematic working groups had been established coordinating activities within Science Working Team in specific fields. Here we describe scientific goals of Geodesy and Geophysics Group (GGWG) that aims at addressing fundamental questions regarding Mercury’s internal structure evolution. This multidisciplinary investigation will also test gravity laws by using planet Mercury as a proof mass. The instruments on Planetary Orbiter (MPO), which are devoted accomplishing GGWG science objectives, include Laser Altimeter (BELA), orbiter radio experiment (MORE), MPO magnetometer (MPO-MAG). onboard Italian spring accelerometer (ISA) greatly aid orbit reconstruction needed laser altimetry. We report current knowledge geophysics, geodesy, evolution after successful NASA MESSENGER set prospects investigations based latest findings interior. spacecraft provide extremely accurate measurements topography, gravity, magnetic field, extending improving data coverage, particular southern hemisphere. Furthermore, dual-spacecraft configuration with Mio higher altitudes than be decoupling external contributions field. Thanks synergy between geophysical instrument suite complementary dedicated surface, composition, environment, is poised advance our understanding interior innermost solar system.
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