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VenSpec-H – Venus Spectrometer

EnVision will determine the nature and current state of geological activity on Venus, and its relationship with the atmosphere, to understand how Venus and Earth could have evolved so differently. EnVision will use a phased array synthetic aperture
radar, VenSAR, and will be equipped with a spectrometer suite called VenSpec-H.


Name: Venus Spectrometer
Mission: EnVision
Application: The search for water and sulphur-bearing compounds
Life: Will launch in 2031


Instrument Description

The VenSpec-H instrument is part of the EnVision mission, which has been selected by ESA as the fifth Medium class mission in the Cosmic Vision plan, targeting a launch in 2031.

The scientific objectives of VenSpec-H are related to the search for water and sulphur-bearing compounds. Four spectral windows
have been selected to characterize the troposphere and mesosphere of Venus. They span the spectral range between 1 and 2.5 μm.

VenSpec-H is realised by an international consortium of institutes and companies with OIP as industrial prime contractor. In addition, OIP performs the opto-mechanical design and integration, alignment and testing of the instrument. The project is funded by BELSPO. IASB-BIRA [B] is the principal investigator.

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