US Infrared Atmospheric Window

The United States of America, also known as the United States or America, is a country located primarily in North America. It is a federal republic of 50 states and the federal capital district of Washington, D.C. The 48 contiguous states border Canada to the north and Mexico to the south, with the semi-exclavic state of Alaska in the northwest and th…
The United States of America, also known as the United States or America, is a country located primarily in North America. It is a federal republic of 50 states and the federal capital district of Washington, D.C. The 48 contiguous states border Canada to the north and Mexico to the south, with the semi-exclavic state of Alaska in the northwest and the archipelagic state of Hawaii in the Pacific Ocean. Indian country includes 574 federally recognized tribes and 326 Indian reservations with tribal sovereignty rights. The U.S. asserts sovereignty over five major island territories and various uninhabited islands in the Pacific Ocean and the Caribbean. It is an ecologically megadiverse country, with the world's third-largest land area and third-largest population, exceeding 340 million.
  • Capital: Washington, D.C.
  • Largest city: New York City
  • Official languages: English
  • Government: Federal presidential republic
  • Legislature: Congress
  • Currency: U.S. dollar ($) (USD)
  • Calling code: +1
Data from: en.wikipedia.org