Jules Verne captured imaginations in 1864 with his epic science fiction novel A Journey to the Center of the Earth. Despite huge technological advances, such a journey would be impossible, not because we lack interest but because the earth isn't hollow. How do we know this? In fact, how do we know anything about the earth’s interior?
This question isn't trivial. Our modern economy depends on a correct understanding of the earth, as we incessantly search for oil and essential minerals, and predict deadly earthquakes or volcanic eruptions. Moreover, the modern debate about the origin of the solar system and the universe revolves, in part, around what makes up the earth’s interior and the dynamic forces that shaped and moved the continents.
[Read the rest of the article at Answers in Genesis.]