This dimension groups spacecraft by the era in which they launched. Wikipedia notes that "only a handful of interstellar probes, such as Pioneer 10 and 11, Voyager 1 and 2, and New Horizons, are on trajectories that leave the Solar System," probes that themselves span several decades of launch history. Browsing by launch era lets a visitor compare spacecraft flown in the same period.
Facts
Comparison
Field Origin Era Launch Era
Sources
1. Wikipedia: Sputnik 1
Wikimedia FoundationSputnik 1, lead section (satellite subcategory)Quote, Sputnik 1, lead section (satellite subcategory)
It was launched into an elliptical low Earth orbit by the Soviet Union on 4 October 1957 as part of the Soviet space program.
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