NASA's Pioneer 11, a sister spacecraft to Pioneer 10, was the first spacecraft to study Saturn up close. The mission ended in 1995 and Pioneer 11 is on a trajectory to take it out of the solar system. Pioneer 11 is one of five spacecraft on a trajectory that will take them out of our solar system. Pioneer 11 will pass near the star Lambda Aquila in almost four million years. Like Pioneer 10 and Voyager 1 and 2, Pioneer 11 carries a message from humanity to the cosmos.
urn:nasa:pds:context:investigation:mission.pioneer_11
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