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.
San Francisco police chief to be nationâs highest paid, for overseeing 14th-largest force. 1  New Yorkâs chief, Joseph J. Esposito, made $201,096 in 2011. New York had 8.37 million residents in 2010, making it 10 times the population of San Francisco. And the New York Police Department is Americaâs largest force, with 34,817 officers in 2010, more than 15 times as many as in San Francisco. The Los Angeles Police Department, with 9,858 officers in 2010, currently pays its chief slightly more than Suhr.