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27 April 2024 |
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The Hera Saturn Entry Probe Mission | | O. Mousis
; D.H. Atkinson
; T. Spilker
; E. Venkatapathy
; J. Poncy
; R. Frampton
; A. Coustenis
; K. Reh
; J.-P. Lebreton
; L. N. Fletcher
; R. Hueso
; M. J. Amato
; A. Colaprete
; F. Ferri
; D. Stam
; P. Wurz
; S. Atreya
; S. Aslam
; D. J. Banfield
; S. Calcutt
; G. Fischer
; A. Holland
; C. Keller
; E. Kessler
; M. Leese
; P. Levacher
; A. Morse
; O. Munoz
; J.-B. Renard
; S. Sheridan
; F.-X. Schmider
; F. Snik
; J. H. Waite
; M. Bird
; T. Cavalié
; M. Deleuil
; J. Fortney
; D. Gautier
; T. Guillot
; J. I. Lunine
; B. Marty
; C. Nixon
; G. S. Orton
; A. Sanchez-Lavega
; | | Date: |
26 Oct 2015 | | Abstract: | The Hera Saturn entry probe mission is proposed as an M--class mission led by
ESA with a contribution from NASA. It consists of one atmospheric probe to be
sent into the atmosphere of Saturn, and a Carrier-Relay spacecraft. In this
concept, the Hera probe is composed of ESA and NASA elements, and the
Carrier-Relay Spacecraft is delivered by ESA. The probe is powered by
batteries, and the Carrier-Relay Spacecraft is powered by solar panels and
batteries. We anticipate two major subsystems to be supplied by the United
States, either by direct procurement by ESA or by contribution from NASA: the
solar electric power system (including solar arrays and the power management
and distribution system), and the probe entry system (including the thermal
protection shield and aeroshell). Hera is designed to perform in situ
measurements of the chemical and isotopic compositions as well as the dynamics
of Saturn’s atmosphere using a single probe, with the goal of improving our
understanding of the origin, formation, and evolution of Saturn, the giant
planets and their satellite systems, with extrapolation to extrasolar planets.
Hera’s aim is to probe well into the cloud-forming region of the troposphere,
below the region accessible to remote sensing, to the locations where certain
cosmogenically abundant species are expected to be well mixed. By leading to an
improved understanding of the processes by which giant planets formed,
including the composition and properties of the local solar nebula at the time
and location of giant planet formation, Hera will extend the legacy of the
Galileo and Cassini missions by further addressing the creation, formation, and
chemical, dynamical, and thermal evolution of the giant planets, the entire
solar system including Earth and the other terrestrial planets, and formation
of other planetary systems. | | Source: | arXiv, 1510.7685 | | Services: | Forum | Review | PDF | Favorites | |
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