Voyager 2

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High Quality Content by WIKIPEDIA articles! The Voyager 2 spacecraft is an unmanned interplanetary space probe launched on August 20, 1977. Both the Voyager 2 and the Voyager 1 space probes were designed, developed, and built at the Jet Propulsion Laboratory near Pasadena, California. Identical in form and instruments with its sister Voyager program craft Voyager 1, Voyager 2 was launched on a slower, more curved trajectory that allowed it to be kept in the plane of the Ecliptic so that it could be sent on to Uranus and Neptune by means of utilizing gravity assists during its fly-by of Saturn in 1981 and of Uranus in 1986. Because of this chosen trajectory, Voyager 2 could not take a close-up look at the large Saturnian moon Titan like its sister space probe had. However, Voyager 2 did become the first and only spacecraft to make the spaceflight by Uranus and Neptune, and hence completing the Planetary Grand Tour. This is one that is made practical by a seldom-occurring geometric alignment of the outer planets.