K2 has a nickname.
K2 ( [ ) , also known as Mount Godwin-Austen or Chhogori ( Balti and [ ) , is the second highest mountain in the world , after Mount Everest , at 8611 m above sea level . Ptichka ( Пти́чка , [ ˈptʲitɕkə ] , Little Bird ) is an informal nickname for the second space shuttle orbiter to be produced as part of the Soviet/Russian Buran program .