Abstract
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.
Similar content being viewed by others
References
Anderson, F.S., Smrekar, S.E.: Global mapping of crustal and lithospheric thickness on Venus. J. Geophys. Res. 111, E08006 (2006)
Baker, V.R., Komatsu, G., Parker, T.J., Gulick, V.C., Kargel, J.S., Lewis, J.S.: Channels and valleys on Venus: Preliminary analysis of Magellan data. J. Geophys. Res. 97, 13421–13444 (1992)
Barabash, S., Fedorov, A., Sauvaud, J.A., Lundin, R., Russell, C.T., Futaana, Y., Zhang, T.L., Andrersson, H., Brinkfeldt, K., Grigoriev, A., Holmstrom, M., Yamauchi, M., Asamura, K., Baumjohann, W., Lammer, H., Coates, A.J., Kataria, D.O., Linder, D.R., Curtis, C.C., Hsieh, K.C., Sandel, B.R., Grande, M., Gunell, H., Koskinen, H.E.J., Kallio, E., Riihela, P., Sales, T., Schmidt, W., Kozyra, J., Krupp, N., Franz, M., Woch, J., Luhmann, J., McKenna-Lawlor, S., Mazelle, C., Thocaven, J.-J., Orsini, S., Cerulli-Irelli, R., Mura, M., Milillo, M., Maggi, M., Roelof, E., Brandt, P., Szego, K., Winningham, J.D., Frahm, R.A., Scherrer, J., Sharber, J.R., Wurz, P., Bochsler, P.: The loss of ions from Venus through the plasma wake. Nature 450, 650–653 (2007)
Brace, L.H., Kasprzak, W.T., Taylor, H.A., Theis, R.F., Russell, C.T., Barnes, A., Mihalov, J.D., Hunten, D.M.: The ionotail of Venus: Its configuration and evidence for ion escape. J. Geophys. Res. 92, 15–26 (1987)
Basilevsky, A.T., Head, J.W.: The geologic history of Venus: A stratigraphic view. J. Geophys. Res. 103, 8531 (1998)
Basilevsky, A.T., Head, J.W.: Rifts and large volcanoes of Venus: global assessment of their age relations with regional plains. J. Geophys. Res. 105, 24583 (2000)
Biggs, J., Bergman, E., Emmerson, B., Funning, G., Jackson, J., Parsons, B., Wright, T.: Fault identification for buried strike-slip earthquakes using InSAR: the 1994 and 2004 Al Hoceima, Morocco earthquakes. Geophys. J. Int. 166, 1347–1362 (2006)
Bondarenko, N.V., Head, J.W., Ivanov, M.A.: Present-day volcanism on Venus: evidence from microwave radiometry. Geophys. Res. Lett. 37, 23202 (2010)
Bullock, M.A., Grinspoon, D.H.: The stability of climate on Venus. J. Geophys. Res. 101, 7521 (1996)
Campbell, B.A.: Surface formation rates and impact crater densities on Venus. J. Geophys. Res. 104, 21951 (1999)
Carter, L.M., Campbell, D.B., Campbell, B.A.: Impact crater related surficial deposits on Venus: Multipolarization radar observations with Arecibo. J. Geophys. Res. 109, 06009 (2004)
Chang, Wu-L., Smith, R.B., Wicks, C., Farrell, J.M., Puskas, C.M.: Accelerated uplift and magmatic intrusion of the Yellowstone caldera, 2004 to 2006. Science 318, 952–956 (2007)
Christophe, B., Foulon, B., Levy, A., Anderson, J.D., Sumner, T.J., Bertolami, O., Gil, P., Páramos, J., Progrebenko, S.V., Gurtvis, L., Reynaud, S., Courty, J.-M., Asmar, S.W., Métris, G., Bério, P., Bingham, R., Kent, B., Olsen, O., Andersen, P.H., Dittus, H., Lämmerzahl, K., Theil, S., Rievers, B., Bremer, S.: Gravity advanced package, an accelerometer package for Laplace or tandem missions. In: Charbonnel, C., Combes, F., Samadi, R. (eds.) Proceedings of theAnnual meeting of the French Society of Astronomy and Astrophysics. SF2A, pp. 103–106. (2008)
Ebmeier, S.K., Biggs, J., Mather, T.A., Wadge, G.: Steady downslope movement on the western flank of Arenal Volcano, Costa Rica. Geochem. Geophys. Geosystems. 11, 12004 (2010). doi:10.1029/2010GC003263
Esposito, L.W.: Long term changes in Venus sulfur dioxide. Adv. Space Res. 5, 85–90 (1985)
Florensky, C.P., Basilevsky, A.T., Kryuchkov, V.P., Kusmin, R.O., Nikolaeva, O.V., Pronin, A.A., Chernaya, I.M., Tyuflin, Y.S., Selivanov, A.S., Naraeva, M.K., Ronca, L.B.: Venera 13 and Venera 14: sedimentary rocks on Venus? Science 221, 57–59 (1983). doi:10.1126/science.221.4605.57
Ford, P.G., Pettengill, G.H.: Venus topography and kilometer-scale slopes. J. Geophys. Res. 97, 13103–13114 (1992)
Fournier, T.J., Pritchard, M.E., Riddick, S.N.: Duration, magnitude, and frequency of subaerial volcano deformation events: new results from Latin America using InSAR and a global synthesis. Geochem. Geophys. Geosystems. 11, Q01003, 29 (2010). doi:10.1029/2009GC002558
Fox, J.L.: Morphology of the dayside ionosphere of Venus: implications for ion outflows. J. Geophys. Res. 113, E11001 (2008). doi:10.1029/2008JE003182
Ghail, R.C.: Structure and evolution of southeast Thetis Regio. J. Geophys. Res. 107, 5060 (2002)
Gilmore, M.S., Collins, G.C., Ivanov, M.A., Marinangeli, L., Head, J.W.: Style and sequence of extensional structures in tessera terrain, Venus. J. Geophys. Res. 103, 16813 (1998)
Grün, E., Zook, H.A., Baguhl, M., Balogh, A., Bame, S.J., Fechtig, H., Forsyth, R., Hanner, M.S., Horanyi, M., Kissel, J., Lindblad, B.A., Linkert, D., Linkert, G., Mann, I., McDonnell, J.A.M., Morfill, G.E., Phillips, J.L., Polanskey, C., Schwehm, G., Siddque, N., Staubach, P., Svestka, J., Taylor, A.: Discovery of Jovian dust streams and interstellar grains by the Ulysses spacecraft. Nature 362, 428–430 (1993)
Guest, J.E., Stofan, E.R.: A new view of the stratigraphic history of Venus. Icarus 139, 55 (1999)
Hansen, J.E., Hovenier, J.W.: Interpretation of the polarization of Venus. J. Atmos. Sci. 31, 1137–1160 (1974)
Hashimoto, G.L., Imamura, T.: Elucidating the rate of volcanism on Venus: detection of lava eruptions using near-infrared observations. Icarus. 154, 239 (2001)
Johnson, C.L., Richards, M.A.: A conceptual model for the relationship between coronae and large-scale mantle dynamics on Venus. J. Geophys. Res. 108, 5058 (2003)
Jones, A.P., Pickering, K.: Evidence for aqueous fluid – sediment transport and erosional processes on Venus. J. Geol. Soc. London. 160, 319–327 (2003)
Komatsu, G., Baker, V.R.: Meander properties of Venusian channels. Geology 22, 67 (1994)
Komatsu, G., Gulick, V.C., Baker, V.R.: Valley networks on Venus. Geomorph. 37(3–4), 225–240 (2001)
Kovacs, T.A., Mccormick, M.P.: Observations of typhoon Melissa during the Lidar In-space Technology Experiment (LITE). J. Appl. Med. 42, 1003–1013 (2003)
Kumar, P.: An alternative kinematic interpretation of Thetis boundary shear zone, Venus: evidence for strike-slip ductile duplexes. J. Geophys. Res. 110, 07001 (2005)
Lammer, H., Lichtenegger, H.I.M., Biernat, H.K., Erkaev, N.V., Arshukova, I.L., Kolb, C., Gunell, H., Lukyanov, A., Holmstrom, M., Barabash, S., Zhang T.L., Baumjohann W.: Loss of hydrogen and oxygen from the upper atmosphere of Venus. Planet. Space Sci. 54(13–14),1445–1456 (2006)
Limaye, S.S., Markiewicz, W.J., Titov, D.V.: A bright spot on Venus. EGU abtracts, 2010EGUGA.1211468L (2010)
Luhmann, J.G., Kasprzak, W.T., Russell, C.T.: Space weather at Venus and its potential consequences for atmospheric evolution. J. Geophys. Res. 112, E04S10 (2007). doi:10.1029/2006JE002820
Marcq, E., Belyaev, D., Montmessin, F., Fedorova, A., Bertaux, J.-L., Vandaele, A.C., Neefs, E.: An investigation of the SO2 content of the Venusian mesosphere using SPICAV-UV in nadir mode. Icarus 211, 58–69 (2011)
Marinangeli, L., Gilmore, M.S.: Geologic evolution of the Akna Montes-Atropos Tessera region, Venus. J. Geophys. Res. 105, 12053 (2000)
Markiewicz, W., Titov, D., Limaye, S., Keller, H., Ignatiev, N., Jaumann, R., Thomas, N., Michalik, H., Moissl, R., Russo, P.: Morphology and dynamics of the upper cloud layer of Venus. Nature 450, 633 (2007)
McComas, D.J., Spence, H.E., Russell, C.T., Saunders, M.A.: The average magnetic field draping and consistent plasma properties of the Venus magnetotail. J. Geophys. Res. 91, 7939–7953 (1986)
Müller, N., Helbert, J., Hashimoto, G., Tsang, C., Erard, S., Piccioni, G., Drossart, P.: Venus surface thermal emission at 1 μm in VIRTIS imaging observations: evidence for variation of crust and mantle differentiation conditions. J. Geophys. Res. 113, 1–21 (2008)
Nimmo, F., McKenzie, D.: Volcanism and tectonics on Venus. Ann. Rev. Earth Planet. Sci. 26, 23–51 (1998)
Phillips, J.L., Luhmann, J.G, Russell, C.T.: Dependence of Venus ionopause altitude and ionospheric magnetic field on solar wind dynamic pressure. Adv. Space Res. 5, 173–176 (1985)
Piccialli, A., Titov, D.V., Grassi, D., Khatuntsev, I., Drossart, P., Piccioni, G., Migliorini, A.: Cyclostrophic winds from the visible and infrared thermal imaging spectrometer temperature sounding: a preliminary analysis. J. Geophys. Res. 113, E00B11 (2008)
Schubert, G., Sandwell, D.T.: A global survey of possible subduction sites on Venus. Icarus 117, 173–196 (1995)
Smrekar, S.E., Stofan, E.R., Mueller, N., Treiman, A., Elkins-Tanton, L., Helbert, J., Piccioni, G., Drossart, P.: Recent hotspot volcanism on venus from VIRTIS emissivity data. Science 328, 605 (2010)
Snik F., Rietjens, J.H.H., van Harten, G., Stam, D.M., Keller, C.U., Smit, J.M., Laan, E.C., Verlaan, A.D., der Horst, R., Navarro, R., Wielinga, K., Moon, S.G., Voors, R.: SPEX: the spectropolarimeter for planetary exploration. In: Proc. SPIE 7731, 77311B (2010). doi:10.1117/12.857941
Stevens, N.F., Wadge, G., Williams, C.A.: Post-emplacement lava subsidence and the accuracy of ERS InSAR digital elevation models of volcanoes. Int. J. Remote Sens. 22, 819–828 (2001)
Stofan, E.R., Brian, A.W., Guest, J.E.: Resurfacing styles and rates on Venus: assessment of 18 Venusian quadrangles. Icarus 173, 312–321 (2005)
Taylor, F., Grinspoon, D.: Climate evolution of Venus. J. Geophys. Res. 114, E00B40 (2009)
Tuckwell, G., Ghail, R.C.: A 400-km-scale strike-slip zone near the boundary of Thetis Regio, Venus. Earth Planet. Sci. Lett. 211, 45–55 (2003)
Turcotte, D.: An episodic hypothesis for Venusian tectonics. J. Geophys. Res. 98, 17061–17068 (1993)
Turcotte, D.: How does Venus lose heat? J. Geophys. Res. 100, 16931 (1995)
Turcotte, D., Morein, G., Roberts, D., Malamud, B.D.: Catastrophic resurfacing and episodic subduction on Venus. Icarus. 139, 49–54 (1999)
Waltham, D., Pickering, K., Bray, V.: Particulate gravity currents on Venus. J. Geophys. Res. 113, 02012 (2008)
Wicks Jr, C., Thatcher, W., Dzurisin, D.: Migration of fluids beneath Yellowstone caldera inferred from satellite radar interferometry. Science 282, 458 (1998)
Zebker, H.A., Rosen, P.A., Goldstein, R.M., Gabriel, A., Werner, C.L.: On the derivation of coseismic displacement fields using differential radar interferometry: the Landers earthquake. J. Geophys. Res. 99, 19617 (1994)
Acknowledgement
The authors would like to thank ESA for their thorough evaluation of this proposed mission and the valuable feedback provided.
Dr Mitchell’s was carried out at the Jet Propulsion Laboratory, California Institute of Technology, under a contract with the National Aeronautics and Space Administration.
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Ghail, R.C., Wilson, C., Galand, M. et al. EnVision: taking the pulse of our twin planet. Exp Astron 33, 337–363 (2012). https://doi.org/10.1007/s10686-011-9244-3
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s10686-011-9244-3