<Table> <Tr> <Td> </Td> <Td> Some of this article's listed sources may not be reliable . Please help this article by looking for better, more reliable sources . Unreliable citations may be challenged or deleted . (August 2015) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> Some of this article's listed sources may not be reliable . Please help this article by looking for better, more reliable sources . Unreliable citations may be challenged or deleted . (August 2015) (Learn how and when to remove this template message) </Td> </Tr> <P> The geographical centre of Earth is the geometric centre of all land surfaces on Earth . In a more strict definition, it is the superficial barycenter of the mass distribution produced by treating each continent or island as a region of a thin shell of uniform density and approximating the geoid with a sphere . The centre is inside Earth but can be projected to the closest point on the surface . </P>

What is the centre of the earth called