What scientific priority shift is occurring because of the inherent difficulty in accessing deep Martian liquid water?
Answer
Focus shifting toward the icy moons where geologic activity, such as plumes, might provide proxy access.
Because the technological requirements for drilling miles into Martian rock and ice to reach liquid water are currently prohibitive, scientific priorities are adjusting. A significant focus is moving toward the icy moons, especially Enceladus, where natural geologic activity—specifically the eruption of plumes—offers a less technically demanding proxy method for sampling the deep subsurface ocean composition without requiring complex, deep-drilling penetration technology.
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