The first step to finding aliens should be exploring the depths of our own planet’s oceans, says NASA astrobiologist Kevin Hand
, and in the future, scientists hope to design a mission to land on Europa that could tunnel through the ice and explore the watery depths with an autonomous submarine.
Alien Oceans: The Search for Life in the Depths of Space, a new book by NASA astrobiologist Kevin Hand, was released on April 7, 2020.Do you have a favorite target in the search for life beyond Earth? Second, we have good evidence and models indicating that Europa’s ocean is a global ocean, and that it likely has a rocky seafloor. That rocky seafloor may contain hydrothermal vents that could be exhaling fluids and gasses that microbes love to eat. We also know that Europa’s ice shell contains compounds that could help feed life in the ocean below.
Part of our goal with the buoyant rover and with Orpheus is to leverage a lot of the lessons that we’ve learned in the space community about making robotic systems that are smaller, lighter, lower power, autonomous, capable of doing science on-site. All of those are attributes of how we explore worlds beyond Earth, and we’re trying to leverage some of those capabilities to advance the exploration of our ocean.Here’s the thing: None of those technologies requires a magic wand.
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