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Loading contentA NASA Discovery orbiter to map Venus in fine detail with radar — its topography, geology, and any active volcanism — revealing how the planet evolved so differently from Earth.
A radar-mapping orbiter (synthetic-aperture radar).
Selected but delayed by NASA budget and workforce constraints; launch date uncertain.
Facts on this topic will be cited from these primary and reference sources.
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.