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Missions and Programs

Voyager Program

Robotic Outer Solar System and Small-Body Missions

NASA's program of twin robotic probes, Voyager 1 and Voyager 2, launched in 1977 to tour the outer planets. Both probes are still operating and have crossed into interstellar space, the most distant human-made objects from Earth.

Facts
Mission Type
Robotic outer planet and interstellar mission 1
Launch Date
1977-08-20 1
Voyager 2 launched first, on 20 August 1977.
Outcome
Ongoing; both probes are still transmitting from interstellar space as of the mid-2020s. 1
Mission Type
Mission Type (category)
Robotic / Uncrewed Mission 1
Connections

Associated With

Repeated gravity assists made the Voyager grand tour of the outer planets possible.

Source NASA Solar System Exploration
Voyager 2, Spacecraft
Source NASA History Office

Operated By

Source NASA History Office
Sources
1. NASA History Office
National Aeronautics and Space Administration
  • NASA Science, Voyager mission page (science.nasa.gov/mission/voyager)
    Voyager 1 and its twin Voyager 2 are the only spacecraft ever to operate outside the heliosphere, the protective bubble of particles and magnetic fields generated by the Sun.
  • Operated By: NASA
  • Associated With: Voyager 2
View the Source
NASA Solar System Exploration
National Aeronautics and Space AdministrationAssociated With: Gravity AssistView the Source
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