The radioscience LaRa instrument onboard ExoMars 2020 to investigate the rotation and interior of Mars

10 Oct 2019 Dehant Veronique Maistre Sebastien Le Baland Rose-Marie Bergeot Nicolas Karatekin Ozgur Peters Marie-Julie Rivoldini Attilio Lozano Luca Ruiz Temel Orkun Van Hoolst Tim Yseboodt Marie Mitrovic Michel Kosov Alexander Valenta Vaclav Thomassen Lieven Karki Sumit Khalifeh Khaldoun Al Craeye Christophe Gurvits Leonid Marty Jean-Charles Asmar Sami Folkner William Team the LaRa

LaRa (Lander Radioscience) is an experiment on the ExoMars 2020 mission that uses the Doppler shift on the radio link due to the motion of the ExoMars platform tied to the surface of Mars with respect to the Earth ground stations (e.g. the deep space network stations of NASA), in order to precisely measure the relative velocity of the lander on Mars with respect to the Earth. The LaRa measurements shall improve the understanding of the structure and processes in the deep interior of Mars by obtaining the rotation and orientation of Mars with a better precision compared to the previous missions... (read more)

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Categories


  • EARTH AND PLANETARY ASTROPHYSICS
  • INSTRUMENTATION AND METHODS FOR ASTROPHYSICS