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Journal Articles The Planetary Science Journal Year : 2022

Revealing the Mysteries of Venus: The DAVINCI Mission

James B. Garvin
  • Function : Author
Stephanie A. Getty
  • Function : Author
Giada N. Arney
  • Function : Author
Natasha M. Johnson
  • Function : Author
Erika Kohler
  • Function : Author
Kenneth O. Schwer
  • Function : Author
Michael Sekerak
  • Function : Author
Arlin Bartels
  • Function : Author
Richard S. Saylor
  • Function : Author
Vincent E. Elliott
  • Function : Author
Colby S. Goodloe
  • Function : Author
Matthew B. Garrison
  • Function : Author
Valeria Cottini
  • Function : Author
Noam Izenberg
  • Function : Author
Ralph Lorenz
  • Function : Author
Charles A. Malespin
  • Function : Author
Michael Ravine
  • Function : Author
Christopher R. Webster
  • Function : Author
David H. Atkinson
  • Function : Author
Shahid Aslam
  • Function : Author
Sushil Atreya
  • Function : Author
Brent J. Bos
  • Function : Author
William B. Brinckerhoff
  • Function : Author
Bruce Campbell
  • Function : Author
David Crisp
  • Function : Author
Justin R. Filiberto
  • Function : Author
Martha Gilmore
  • Function : Author
Nicolas Gorius
  • Function : Author
David Grinspoon
  • Function : Author
Amy E. Hofmann
  • Function : Author
Stephen R. Kane
  • Function : Author
Walter Kiefer
  • Function : Author
Paul R. Mahaffy
  • Function : Author
Alexander Pavlov
  • Function : Author
Melissa Trainer
  • Function : Author
Kevin J. Zahnle
  • Function : Author
Mikhail Zolotov
  • Function : Author

Abstract

The Deep Atmosphere Venus Investigation of Noble gases, Chemistry, and Imaging (DAVINCI) mission described herein has been selected for flight to Venus as part of the NASA Discovery Program. DAVINCI will be the first mission to Venus to incorporate science-driven flybys and an instrumented descent sphere into a unified architecture. The anticipated scientific outcome will be a new understanding of the atmosphere, surface, and evolutionary path of Venus as a possibly once-habitable planet and analog to hot terrestrial exoplanets. The primary mission design for DAVINCI as selected features a preferred launch in summer/fall 2029, two flybys in 2030, and descent-sphere atmospheric entry by the end of 2031. The in situ atmospheric descent phase subsequently delivers definitive chemical and isotopic composition of the Venus atmosphere during an atmospheric transect above Alpha Regio. These in situ investigations of the atmosphere and near-infrared (NIR) descent imaging of the surface will complement remote flyby observations of the dynamic atmosphere, cloud deck, and surface NIR emissivity. The overall mission yield will be at least 60 Gbits (compressed) new data about the atmosphere and near surface, as well as the first unique characterization of the deep atmosphere environment and chemistry, including trace gases, key stable isotopes, oxygen fugacity, constraints on local rock compositions, and topography of a tessera.
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insu-03726896 , version 1 (21-07-2022)

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James B. Garvin, Stephanie A. Getty, Giada N. Arney, Natasha M. Johnson, Erika Kohler, et al.. Revealing the Mysteries of Venus: The DAVINCI Mission. The Planetary Science Journal, 2022, 3, ⟨10.3847/PSJ/ac63c2⟩. ⟨insu-03726896⟩
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