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Envision is the first mission to Venus with a subsurface radar sounding instrument (SRS), which will directly measure the planet’s subsurface features. Furthermore, its VenSAR radar will be the first instrument to image parts of the planet at a very fine resolution of 10 metres and to perform polarimetric imaging, to further advance our knowledge of Venus’ surface.
- ESA - Venus Express science highlights - European Space Agency
Artist's view of Venus Radio Science experiment. Launched 9...
- ESA - Past missions to Venus - European Space Agency
NASA's MESSENGER mission to Mercury also made use of Venus...
- ESA - Earth from Space: Kourou, French Guiana
The launch facilities as seen from the ISS. Just northwest...
- ESA - We're heading for Venus: ESA approves Envision
Envision targets on Venus's surface. This time around,...
- Mission information - EnVision - Cosmos
The EnVision launch is scheduled for November 2031, with...
- ESA - ESA selects revolutionary Venus mission Envision
Envision will be ESA’s next Venus orbiter, providing a...
- ESA - Venus Express science highlights - European Space Agency
Jan 25, 2024 · Envision targets on Venus's surface. This time around, Envision will not be alone on its trip to Venus. Expecting a fruitful collaboration, NASA has also selected two new missions to Venus as part of its Discovery Program: DAVINCI (Deep Atmosphere Venus Investigation of Noble gases, Chemistry, and Imaging) and VERITAS (Venus Emissivity, Radio Science, InSAR, Topography, and Spectroscopy).
The EnVision orbiter will set out to study current conditions on Venus and ascertain how the planet evolved. The mission will launch late 2031 atop an Ariane 62 from the Guiana Space Centre. Scientists hope the mission’s data will deliver new insights into how and why Venus and Earth evolved so differently and tell us more about the formation and evolution of planets with a similar mass to ...
- Science
- Scheduled November 2031
EnVision will be ESA’s next Venus orbiter, providing a holistic view of the planet from its inner core to upper atmosphere to determine how and why Venus and Earth evolved so differently. EnVision will be the first mission to investigate Venus from its inner core to its upper atmosphere, characterising the interaction between its different envelopes: its atmosphere, surface/subsurface and ...
- Spacecraft
- Launch, Planetary Transfer, and Venus Orbit Phases
- Science Data Downlink
- Science Orbit and Data Coverage
The spacecraft will be a roughly rectangular three-axis stabilised satellite, weighing approximately 4.1 tonnes at launch (1.7 tonnes dry mass), measuring approx. 2 m x 2 m x 3 m in stowed configuration, with two deployable solar arrays. It will have a power budget of around 3 kW and a large volume (200 Tbits) of science data to be downlinked to Ea...
The EnVision launch is scheduled for November 2031, with back-up dates in 2032 and 2033. The mission will launch with an Ariane 64 rocket (direct escape). The interplanetary cruise phase will take around 15 months. The Venus orbit insertion will be highly elliptic, and the final science orbit will be reached by means of Aerobraking. The Aerobraking...
The science data downlink capability is ~200 Tbits using Ka-/X-band comms system with a >2.5 m diameter fixed high-gain antenna.
The spacecraft orbit will be polar, with a duration of ~92 minutes and an inclination between 87o and 89o. The orbit will be elliptical, with spacecraft altitudes varying between ~220 and 510 km above the surface. The slow rotation rate of Venus leads to a slow build-up of the observation coverage of the planet during the 6 Venus sideral days (~4 E...
Jun 10, 2021 · Envision will be ESA’s next Venus orbiter, providing a holistic view of the planet from its inner core to upper atmosphere to determine how and why Venus and Earth evolved so differently. The mission was selected by ESA’s Science Programme Committee on 10 June as the fifth Medium-class mission in the Agency’s Cosmic Vision plan, targeting ...
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Jan 26, 2024 · "Special to EnVision is the mission's approach to studying the entire planet as a system. It will investigate Venus's surface, interior and atmosphere with unprecedented accuracy, allowing us to ...
