For other people named Neville Chamberlain, see Neville Chamberlain (disambiguation). Arthur Neville Chamberlain, FRS (18 March 1869 â 9 November 1940) was a British Conservative politician who served as Prime Minister of the United Kingdom from May 1937 to May 1940.
From Wikipedia, the free encyclopedia. The outer core of the Earth is a liquid layer about 2,300 km (1,400 mi) thick and composed of iron and nickel that lies above Earth's solid inner core and below its mantle. Its outer boundary lies 2,890 km (1,800 mi) beneath Earth's surface.
The second layer of the core is made of liquid iron and nickel and is about 1,400 miles (2,300 kilometers) thick. Some people have said that it is actually 3,200 miles (5,150km) thick and 7,200 to 9,000 degrees Fahrenheit (3,982 to 4,982 degrees Celsius) in temperature.he core is made of two layers â the inner and outer core. When the Earth formed 4.5 billion years ago, the heavy substances sunk to the middle and these formed the inner core. The lighter ones are like air and water stayed on the top on the crust.