오퍼튜니티 (탐사차): 두 판 사이의 차이

<ref name="Martian Robots, Taking Orders From a Manhattan Walk-Up">{{뉴스 인용|url=http://www.nytimes.com/2004/11/07/science/07mars.html?pagewanted=2 |제목=Martian Robots, Taking Orders From a Manhattan Walk-Up |work=The New York Times |date=November 7, 2004 |accessdate=April 9, 2009 | first=Kenneth | last=Chang}}</ref>

<ref name="nasa">{{웹 인용|url=http://trs-new.jpl.nasa.gov/dspace/bitstream/2014/12837/1/01-1164.pdf |제목=Mars Exploration Rover project, NASA/JPL document NSS ISDC 2001 27/05/2001 |page=5 |accessdate=April 28, 2009}}</ref>

<ref name="NASA - NASA Mars Rover Arrives at New Site on Martian Surface">{{웹 인용|url=http://www.nasa.gov/mission_pages/mer/news/mer20110810.html |제목=NASA - NASA Mars Rover Arrives at New Site on Martian Surface |publisher=Nasa.gov |date= |accessdate=July 15, 2012}}</ref>

<ref name="Opportunity Updates">{{웹 인용|url=http://marsrovers.jpl.nasa.gov/mission/status_opportunityAll.html |제목=Opportunity Updates |accessdate=November 20, 2014}}</ref>