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 Department of Homeland Security: the largest police force nobody monitors The agency has half the internal affairs investigators that the NYPD does, and for a force thatâs twice the size Marisa Franco and Paromita Shah