DAVINCI+
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| DAVINCI+ | |
|---|---|
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| Name | DAVINCI+ |
| Mission type | Planetary science |
| Operator | NASA |
| Orbit | Venus atmosphere |
DAVINCI+ is a NASA planetary probe designed to study the atmosphere and surface of Venus. The project builds on heritage from missions such as Mariner 2, Pioneer Venus and Magellan, while integrating technology advances demonstrated by MESSENGER, Juno, and Cassini–Huygens. DAVINCI+ aims to resolve longstanding debates raised by results from Venera 13, Venera 14, Venus Express, and Akatsuki about Venusian composition and evolution.
Overview
DAVINCI+ is part of NASA's Discovery Program alongside missions like Lucy (spacecraft), Psyche (spacecraft), and InSight. The mission follows a lineage of planetary exploration including Voyager 1, Voyager 2, New Horizons, and Galileo (spacecraft). It interacts with datasets from Hubble Space Telescope, Spitzer Space Telescope, and ground observatories such as Arecibo Observatory, Keck Observatory, and Atacama Large Millimeter Array. Programmatic oversight involves agencies and institutions including Jet Propulsion Laboratory, Ames Research Center, Goddard Space Flight Center, and contractors like Lockheed Martin and Ball Aerospace.
Mission and Objectives
Primary objectives mirror scientific themes explored by missions such as Magellan (spacecraft), Pioneer Venus Orbiter, and experiments from Venera 9 and Venera 10. DAVINCI+ seeks to measure noble gases and isotopic ratios in the atmosphere to test hypotheses proposed after analyses from Curiosity (rover), Perseverance (rover), Opportunity (rover), and laboratory work associated with Smithsonian Institution collections. The mission addresses questions linked to models from Carl Sagan's early work, geochemical frameworks from Alfred Wegener successors, and planetary evolution scenarios developed at institutions like Caltech, MIT, Stanford University, and NASA Ames Research Center.
Spacecraft and Instruments
The spacecraft carries an instrument suite comparable in concept to payloads on Huygens, Phoenix (spacecraft), and Mars Reconnaissance Orbiter instruments, with sensors influenced by designs from OSIRIS-REx and Dawn (spacecraft). Key instruments include a mass spectrometer with heritage from SAM (Curiosity), a descent imager akin to cameras on Venera 13 and Huygens Probe, and an atmospheric structure package similar to sensors flown on Galileo probe. The design team draws expertise from laboratories associated with University of Arizona, California Institute of Technology, Johns Hopkins University Applied Physics Laboratory, and European Space Agency collaborators such as teams involved with Rosetta (spacecraft).
Mission Profile and Timeline
The planned trajectory uses interplanetary navigation techniques employed by Mariner 10, Messenger, and gravity assists like those used in Cassini–Huygens and BepiColombo missions. Launch vehicle options considered include variants used for Atlas V, Delta IV, and Falcon Heavy. Cruise-phase operations leverage ground networks including Deep Space Network complexes at Goldstone, Madrid Deep Space Communications Complex, and Canberra Deep Space Communications Complex. The descent profile echoes concepts from Venera 7 and Huygens with atmospheric entry heating considerations similar to reentry work from Apollo program capsules and thermal protection studies at Ames Research Center.
Scientific Goals and Expected Results
DAVINCI+ targets measurements that will inform theories promoted by researchers from NASA Goddard, University of California, Berkeley, University of Oxford, and Max Planck Institute for Solar System Research. By quantifying isotopic ratios and trace gases, the mission aims to test scenarios related to hypotheses advanced in papers by scientists affiliated with Harvard University, Princeton University, and University of Chicago. Expected results will constrain models used by teams studying exoplanet atmospheres with instruments on James Webb Space Telescope, Transiting Exoplanet Survey Satellite, and planned missions like LUVOIR and HabEx. Outcomes will also inform comparative planetology programs involving European Southern Observatory, National Astronomical Observatory of Japan, and Indian Space Research Organisation researchers.
Data Management and Analysis
Data handling will follow protocols shaped by archives such as the Planetary Data System and repositories used by European Space Agency missions like Mars Express. Science teams from institutions including Stanford University, Cornell University, University of Colorado Boulder, and Brown University will process datasets using tools developed for ISIS (software), SPICE (software), and analysis pipelines used by NASA Jet Propulsion Laboratory and NASA Goddard. Cross-comparison with datasets from Venus Express, Akatsuki, and historical Venera missions will be integral, with results disseminated through forums like American Geophysical Union meetings and journals edited by publishers associated with American Astronomical Society.
International Collaboration and Funding
DAVINCI+ involves partnerships similar to collaborations on Cassini–Huygens, Rosetta (spacecraft), and ExoMars with contributors from agencies such as European Space Agency, Japan Aerospace Exploration Agency, Russian Federal Space Agency, Indian Space Research Organisation, and academic partners from University of Tokyo, Moscow State University, University of Cambridge, and Université PSL. Funding and programmatic decisions are coordinated within frameworks influenced by precedents set in the Discovery Program, budget reviews involving Office of Management and Budget, and advisory input from committees like the National Academies and panels convened by NASA Advisory Council.