Centrosphere is the inner core of the earth. It is also called the barysphere. Its diameter is about 1,600 miles (2,600 kilometers). It is composed mainly of iron and nickel. See also Seismology.
Centrosphere is the inner core of the earth. It is also called the barysphere. Its diameter is about 1,600 miles (2,600 kilometers). It is composed mainly of iron and nickel. See also Seismology.