Recently the European Space Agency revealed information about how it will test and prepare its EnVision craft for Venus's hellish conditions.
Venus is not an inviting planet to visit. From the tremendously high pressure at its surface to its scorching temperatures hotter than an oven, the planet is not accommodating to visitors, be they human or robotic. Despite these challenges, however, there are no less than three upcoming missions to Venus planned by NASA and the European Space Agency in the next decade, and recently ESA revealed information about how it will test and prepare its EnVision craft for the planet’s hellish conditions.
“EnVision as currently conceived cannot take place without this lengthy phase of aerobraking,” EnVision study manager Thomas Voirin explained in a statement. “The spacecraft will be injected into Venus orbit at a very high altitude, at approximately 250,000km, then we need to get down to a 500km altitude polar orbit for science operations. Flying on an Ariane 62, we cannot afford all the extra propellant it would take to lower our orbit.
To test out whether the spacecraft materials can handle this, samples are being exposed to atomic oxygen in an ESA technical facility in the Netherlands called the Low Earth Orbit Facility or LEOX. Atomic oxygen is also an issue in low Earth orbit, hence why this facility has experience with testing materials against it.
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