Hollow Earth

Modern science holds that the Earth is unbroken series of, crust, and liquid magma surrounding a dense, hot core made primarily of iron and nickel. But not everyone is convinced. In the 17th century, some scientist came up with a new theory that the Earth is actually hollow.

Even today, a force of people believed that the Earth is hollow are fighting valiantly to validate their ideas through books, websites, meetings, and some extremely travel plans.

Rodney Cluff said that "the shell of the Earth is about 800 miles thick, from the outside to the inner surface". Half the planet is taken up by the surface weight, and then there's empty space. In the centre of the hollow, there is an interior sun that us divided by day and night sides. Other parts of the theory is that near the North and South pole are substantial openings that lead into the interior.