Even in solids there is a small space between the atoms. Depending on how tight the atoms are packed determines the density of matter. This means that a one inch block of wood is not as dense as a one inch block of gold. There is more space between the atoms of the wood than the atoms of the gold.
The total area of Kentucky is 40,409 sq mi (104,659 sq km), of which land makes up 39,669 sq mi (102,743 sq km) and inland water 740 sq mi (1,917 sq km). Kentucky extends about 350 mi (563 km) E-W; its maximum N-S extension is about 175 mi (282 km).
According to the U.S. Census Bureau, the county has a total area of 347 square miles (900 km 2), of which 343 square miles (890 km 2) is land and 3.9 square miles (10 km 2) (1.1%) is water. Marion County includes the geographic center of the state of Kentucky, which is located 3 miles NNW of Lebanon, just off KY 429. Marion County is Kentucky's most Catholic county. The first Catholic settlers in Kentucky came to Holy Cross in the western part of the county.