What are these lava tubes?A lava tube is a tunnel or cave that is formed when a volcano erupts on a mountain after emptying the lava from there. These tunnels or caves on Earth are not very wide or long, but there are many huge lava tubes on Mars and Moon.
There are many such tubes on earthScientists believe that they are so large that they can be the destinations of astronauts. This research has examined such tubes on Earth and tried to assess whether such and larger tunnels are present below the surface of other planets.
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