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  1. Aug 11, 2016 · Measurements by NASA’s Pioneer mission to Venus in the 1980s first suggested Venus originally may have had an ocean. However, Venus is closer to the sun than Earth and receives far more sunlight. As a result, the planet’s early ocean evaporated, water-vapor molecules were broken apart by ultraviolet radiation, and hydrogen escaped to space.

    • Rob Garner
  2. May 6, 2024 · Together the new HCO + mechanism and the previously modeled water-loss processes could have enabled Venus to lose its water in half the time, a relatively brisk 600 million years, the researchers say. If so, Venus may have held onto its oceans until much more recently, perhaps 2 billion to 3 billion years ago.

  3. Aug 11, 2016 · A land-ocean pattern like that above was used in a climate model to show how storm clouds could have shielded ancient Venus from strong sunlight and made the planet habitable. New research from NASA suggests that Venus may have had a shallow liquid-water ocean and habitable surface temperatures for up to 2 billion years of its early history.

  4. Aug 11, 2016 · Venus may have had a shallow liquid-water ocean and habitable surface temperatures for up to 2 billion years of its early history, according to computer modeling of the planet’s ancient clima…

  5. Previous work has considered Venus’s overall evolution from an initial magma ocean phase to explore whether condensation of surface liquid water and consistency with Venus’s modern atmosphere are possible , but our approach specifically focuses on the consequences of a hypothetical habitable era for Venus’s later evolution. As a result, our models are agnostic to Venus’s formation ...

  6. Mar 10, 2023 · Venus may have always been an uninhabitable hot mess, ... Simulations suggests Venus may once have had an ocean. Aug 2, 2017. ... 2022. Surprisingly little water has escaped to space from Venus ...

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  8. Oct 13, 2021 · Apr. 20, 2022 — If not for the soupy, fast-moving atmosphere on Venus, Earth's sister planet would likely not rotate. Instead, Venus would be locked in place, always facing the sun the way the ...

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