All that pressure keeps the metal in the inner core in solid form, despite its extremely high temperature. Recent scientific studies lead experts to believe that Earth's inner core is approximately 10,800Âº F â or about the same temperature as the surface of the Sun!
The New York City Police Department (NYPD) is the largest police department in the United States, with 32,284 officers as of 2009, and serving the combined populations of the Bronx, Brooklyn, Manhattan, Queens and Staten Island.
The Chicago Police Department (CPD) is the law enforcement agency of the U.S. city of Chicago, Illinois, under the jurisdiction of the City Council. It is the second largest municipal police department in the United States, behind only the New York City Police Department. It has about 12,244 officers and over 1,925 other employees.