In 2005, it was decided to switch to two-gyroscope mode for regular telescope operations as a means of extending the lifetime of the mission.. 
Wikimedia Commons jẹ́ ibùdó lórí Internet (Íńtánẹ́ẹ̀tì) fún ìkọ́pamọ́ sí àwọn àwòrán, Igboun, àti àwọn fáìlì amóhùnmáwòrán mìíràn.. 