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Timeline of Cassini–Huygens
The ''Cassini–Huygens'' mission is a joint NASA-ESA-ASI interplanetary spaceflight mission to study the Saturn system, which launched both the NASA ''Cassini'' and ESA ''Huygens'' spacecraft in October 1997. The ''Cassini'' spacecraft has been active in space for more than 18 years, with 11 years spent in orbit of Saturn since July 2004. Prior to arrival at Saturn, ''Cassini'' spent more than six years in cruise, performing two gravity assists of Venus in April 1998 and July 1999, one of Earth August 1999, and one of Jupiter in December 2000. The ''Huygens'' spacecraft traveled with ''Cassini'' until it's separation from the probe in December 2004; it would later successfully land on the surface of Titan in January 2005.
''Cassini''s mission was executed in three campaigns. ''Cassini''s original prime mission lasted for four years, from June 2004 to May 2008. The mission was extended for another two years until September 2010, branded the ''Cassini Equinox Mission''. The mission was extended a second and final time with the ''Cassini Solstice Mission'', lasting another seven years until September 2017, after which ''Cassini'' will be de-orbited, effectively ending the mission.
==1997==
October 15 01:43 Pacific Daylight Time (PDT) – Cassini launched at 08:43 UTC inside Titan IVB/Centaur rocket.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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