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EnVision: taking the pulse of our twin planet

Ghail, Richard und Wilson, Colin und Galand, Marina und Hall, David und Cochran, Chris und Mason, Phillip und Helbert, Joern und Montmessin, Franck und Limaye, Sanjey und Patel, Manish und Bowles, Neil und Stam, Daphne und Wahlund, Jan-Erik und Rocca, Fabio und 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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Kurzfassung

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.

Dokumentart:Zeitschriftenbeitrag
Zusätzliche Informationen:Bisher nur online erschienen.
Titel:EnVision: taking the pulse of our twin planet
Autoren:
AutorenInstitution oder E-Mail-Adresse der Autoren
Ghail, RichardImperial College London, London, SW7 2AZ, UK
Wilson, ColinUniversity of Oxford, Oxford, OX1 3PU, UK
Galand, MarinaImperial College London, London, SW7 2AZ, UK
Hall, DavidAstrium, Portsmouth, PO3 5PU, UK
Cochran, ChrisImperial College London, London, SW7 2AZ, UK
Mason, PhillipImperial College London, London, SW7 2AZ, UK
Helbert, Joernjoern.helbert@dlr.de
Montmessin, FranckLATMOS, 75252 Paris, France
Limaye, SanjeyUniversity of Wisconsin-Madison, Madison, 53706, USA
Patel, ManishOpen University, Milton Keynes, MK7 6AA, UK
Bowles, NeilUniversity of Oxford, Oxford, OX1 3PU, UK
Stam, DaphneSRON Netherlands Institute for Space Research, Utrecht, Netherlands
Wahlund, Jan-ErikSwedish Institute of Space Physics, Uppsala University, 75105 Uppsala, Sweden
Rocca, FabioPolitecnico di Milano, 20133 Milan, Italy
Waltham, DavidRoyal Holloway, University of London, Egham, TW20 0EX, UK
Datum:August 2011
Erschienen in:Experimental Astronomy
Referierte Publikation:Ja
In SCOPUS:Ja
In ISI Web of Science:Ja
DOI :10.1007/s10686-011-9244-3
Verlag:Springer
Status:veröffentlicht
Stichwörter:Venus
HGF - Forschungsbereich:Luftfahrt, Raumfahrt und Verkehr
HGF - Programm:Raumfahrt
HGF - Programmthema:Erforschung des Weltraums
DLR - Schwerpunkt:Raumfahrt
DLR - Forschungsgebiet:R EW - Erforschung des Weltraums
DLR - Teilgebiet (Projekt, Vorhaben):R - Vorhaben Venus Express Kamera
Standort: Berlin-Adlershof
Institute & Einrichtungen:Institut für Planetenforschung > Terahertz- und Infrarotsensorik
Hinterlegt von: Dr.rer.nat. Jörn Helbert
Hinterlegt am:19 Dez 2011 10:26
Letzte Änderung:07 Feb 2013 20:11

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