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ESA Selects Revolutionary Venus Mission EnVision

11 Jun 2021, 02:07 UTC
ESA Selects Revolutionary Venus Mission EnVision
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PARIS (ESA PR) — 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 a launch in the early 2030s.

“A new era in the exploration of our closest, yet wildly different, Solar System neighbour awaits us,” says Günther Hasinger, ESA Director of Science. “Together with the newly announced NASA-led Venus missions, we will have an extremely comprehensive science programme at this enigmatic planet well into the next decade.”

A key question in planetary science is why, despite being roughly the same size and composition, our next-door neighbour in the inner Solar System experienced such a dramatic climate change: instead of being a habitable world like Earth, it has a toxic atmosphere and is enshrouded with thick sulphuric acid-rich clouds. What history did Venus experience to arrive at this state and does this foretell Earth’s fate should it, too, undergo a catastrophic greenhouse effect? Is Venus still geologically active? Could it have once hosted ...

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