Planetary scientists have suggested that Mars may host underground caverns from findings three years ago (2007) leaving one to wonder if the formations may be similar to those found on Earth. A visit to the Luray Caverns in Virginia provides one possible analog, [Hat tip to Linda Kennedy].
Some researchers have suggested that Martian caverns in low-lying areas could hold reservoirs of water, which would make the existence of microbial life much more likely such as those imaged from orbit and know by planetary scientists as the "Seven Sisters" likely to be lava tubes. Detection of the caves or caverns is very difficult from orbital observation as this 2009 research paper suggests.
Some researchers have suggested that Martian caverns in low-lying areas could hold reservoirs of water, which would make the existence of microbial life much more likely such as those imaged from orbit and know by planetary scientists as the "Seven Sisters" likely to be lava tubes. Detection of the caves or caverns is very difficult from orbital observation as this 2009 research paper suggests.
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