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EnVision: taking the pulse of our twin planet

Ghail, Richard and Wilson, Colin and Galand, Marina and Hall, David and Cochran, Chris and Mason, Phillip and Helbert, Joern and Montmessin, Franck and Limaye, Sanjey and Patel, Manish and Bowles, Neil and Stam, Daphne and Wahlund, Jan-Erik and Rocca, Fabio and Waltham, David (2011) EnVision: taking the pulse of our twin planet. Experimental Astronomy. Springer. doi: 10.1007/s10686-011-9244-3.

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EnVision is an ambitious but low-risk response to ESA's call for a medium-size mission opportunity for a launch in 2022. Venus is the planet most similar to Earth in mass, bulk properties and orbital distance, but has evolved to become extremely hostile to life. EnVision's 5-year mission objectives are to determine the nature of and rate of change caused by geological and atmospheric processes, to distinguish between competing theories about its evolution and to help predict the habitability of extrasolar planets. Three instrument suites will address specific surface, atmosphere and ionosphere science goals. The Surface Science Suite consists of a 2.2 m2 radar antenna with Interferometer, Radiometer and Altimeter operating modes, supported by a complementary IR surface emissivity mapper and an advanced accelerometer for orbit control and gravity mapping. This suite will determine topographic changes caused by volcanic, tectonic and atmospheric processes at rates as low as 1 mm a - 1. The Atmosphere Science Suite consists of a Doppler LIDAR for cloud top altitude, wind speed and mesospheric structure mapping, complemented by IR and UV spectrometers and a spectrophotopolarimeter, all designed to map the dynamic features and compositions of the clouds and middle atmosphere to identify the effects of volcanic and solar processes. The Ionosphere Science Suite uses a double Langmiur probe and vector magnetometer to understand the behaviour and long-term evolution of the ionosphere and induced magnetosphere. The suite also includes an interplanetary particle analyser to determine the delivery rate of water and other components to the atmosphere.

Item URL in elib:https://elib.dlr.de/71454/
Document Type:Article
Additional Information:Bisher nur online erschienen.
Title:EnVision: taking the pulse of our twin planet
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Ghail, RichardImperial College London, London, SW7 2AZ, UKUNSPECIFIED
Wilson, ColinUniversity of Oxford, Oxford, OX1 3PU, UKUNSPECIFIED
Galand, MarinaImperial College London, London, SW7 2AZ, UKUNSPECIFIED
Hall, DavidAstrium, Portsmouth, PO3 5PU, UKUNSPECIFIED
Cochran, ChrisImperial College London, London, SW7 2AZ, UKUNSPECIFIED
Mason, PhillipImperial College London, London, SW7 2AZ, UKUNSPECIFIED
Helbert, Joernjoern.helbert (at) dlr.deUNSPECIFIED
Montmessin, FranckLATMOS, 75252 Paris, FranceUNSPECIFIED
Limaye, SanjeyUniversity of Wisconsin-Madison, Madison, 53706, USAUNSPECIFIED
Patel, ManishOpen University, Milton Keynes, MK7 6AA, UKUNSPECIFIED
Bowles, NeilUniversity of Oxford, Oxford, OX1 3PU, UKUNSPECIFIED
Stam, DaphneSRON Netherlands Institute for Space Research, Utrecht, NetherlandsUNSPECIFIED
Wahlund, Jan-ErikSwedish Institute of Space Physics, Uppsala University, 75105 Uppsala, SwedenUNSPECIFIED
Rocca, FabioPolitecnico di Milano, 20133 Milan, ItalyUNSPECIFIED
Waltham, DavidRoyal Holloway, University of London, Egham, TW20 0EX, UKUNSPECIFIED
Date:August 2011
Journal or Publication Title:Experimental Astronomy
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
DOI :10.1007/s10686-011-9244-3
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Exploration
DLR - Research area:Raumfahrt
DLR - Program:R EW - Space Exploration
DLR - Research theme (Project):R - Vorhaben Venus Express Kamera (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Terahertz and Infrared Sensors
Deposited By: Helbert, Dr.rer.nat. Jörn
Deposited On:19 Dec 2011 10:26
Last Modified:06 Sep 2019 15:25

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