'Europa is not just a wet, baby Earth. It is its own special world, full of mysteries to unravel,' said Joseph O'Rourke, assistant professor at ASU.
Now, in their new study, a team of scientists from Arizona State University outlines how they simulated the evolution of Europa from its earliest period. They found that Europa may have a metamorphic origin for its ocean, meaning the ocean water hidden beneath its icy exterior may have come from hydrated rocks in the moon's mantle.
"The origin of Europa's ocean is important because the moon's potential to support life ultimately depends on the chemical ingredients and physical conditions during the ocean formation process," Kevin Trinh, a graduate associate at ASU's School of Earth and Space Exploration, explained in aIn Trinh and colleagues' simulations, they found that low temperatures due to Europa's large distance from the Sun could mean that the moon is still currently separating into...
"For most worlds in the solar system, we tend to think of their internal structure as being set shortly after they finish forming," said Carver Bierson, a postdoctoral research scholar at ASU’s School of Earth and Space Exploration. "This work is very exciting because it reframes Europa as a world whose interior has been slowly evolving over its whole lifetime. This opens doors for future research to understand how these changes might be observed in the Europa we see today.
The research suggests there is likely low hydrothermal activity and seafloor volcanism on Europa's seafloor, which reduces the probability that Europa is habitable. However, the ASU scientists said that a lot more research is required and the door is most definitely not shut on the potential for alien life on the icy ocean world.
"Europa is not just a wet, baby Earth. It is its own special world, full of mysteries to unravel," added Joseph O'Rourke, assistant professor at ASU’s School of Earth and Space Exploration. Thanks to missions including NASA's Europa Clipper and the European Space Agency's
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