Q1138745: Difference between revisions

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Q1138745
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{{Page|Planetary Grand Tour|Classes|NASA's cancelled space program intended to explore the outer solar system}}
{{Page|Planetary Grand Tour|Classes|NASA's cancelled space program intended to explore the outer solar system|}}

Latest revision as of 15:51, 17 February 2025




The Grand Tour is a NASA program that would have sent two groups of robotic probes to all the planets of the outer Solar System. It called for four spacecraft, two of which would visit Jupiter, Saturn, and Pluto, while the other two would visit Jupiter, Uranus, and Neptune. The enormous cost of the project, around $1 billion, led to its cancellation and replacement with Mariner Jupiter-Saturn, which became the Voyager program.