Space mission · NASA

Voyager 1

ExplorationActiveLaunched 1977-09-05

Mission overview

Voyager 1 explored Jupiter and Saturn and is now the most distant human-made object, in interstellar space.

Outcome & discoveries

Discovered volcanic activity on Io and detail in Saturn's rings; crossed into interstellar space in 2012.

★Active volcanism on Jupiter's moon Io
★Crossed the heliopause into interstellar space

Mission profile

Knowledge connections

Operated byNASA
Mission targetSaturn
Operated byNASA Jet Propulsion Laboratory
Part of programVoyager program
Mission targetJupiter
CapturedPale Blue Dot
CapturedThe Solar System Family Portrait
Tracked byDeep Space Network (DSN)
Associated withHigh-Gain Antenna (Spacecraft)
Associated withHeliopause
Carries instrumentVoyager Imaging Science Subsystem
Carries instrumentVoyager Cosmic Ray Subsystem (CRS)
Associated withLaunch of the Voyagers
Associated withVoyager 1 Enters Interstellar Space
Associated withMost Distant Human-Made Object
Associated withFirst Object to Reach Interstellar Space
Associated withLongest-Operating Interplanetary Spacecraft
Associated withThe Termination Shock
Associated withThe Heliosheath

Mission	Type	Agency	Launch	Status
Voyager 2Jupiter, Saturn, Uranus, Neptune	Grand tour and interstellar	NASA	1977-08-20	Active

Sources

Facts on this topic will be cited from these primary and reference sources.

NASA JPLJet Propulsion Laboratory / Solar System Dynamics
Orbital data, ephemerides, and small-body parameters for planets, asteroids, and comets.

Quick facts

Type: Space mission
Agency: NASA
Program: Voyager program
Mission type: Flyby and interstellar
Destination: Jupiter, Saturn, interstellar space
Launch date: 1977-09-05
Status: Active

Provenance & sources

review 2026.1

Asteria Scientific Review Process · verification: sourced · accurate

Historical evidenceconfirmed
Voyager 1 was launched by NASA in 1977 and in 2012 became the first spacecraft to enter interstellar space; it remains the most distant human-made object from Earth.
Source: NASA Science · Public domain (US Government work)

Reviewed by the internal Asteria Scientific Review Process — not an external institutional review. See the evidence framework and authority dashboard.

Scientific citations

Real, source-backed references — primary papers first, then datasets and institutional sources. Formatted through the citation engine; nothing is fabricated.

Mission pageVoyager 1 — NASA

NASA

Cite (APA / BibTeX)

NASA (n.d.). Voyager 1 — NASA. NASA. https://science.nasa.gov/mission/voyager/

@misc{cite:mission-space_mission-voyager-1,
  title        = {Voyager 1 — NASA},
  organization = {NASA},
  year         = {n.d.},
  url          = {https://science.nasa.gov/mission/voyager/},
  note         = {NASA mission page for Voyager 1.}
}

Quality & authority

75%

Reviewed

Completeness: Complete
Source coverage: Complete
Citation coverage: Complete
Relationship coverage: Complete
Review coverage: Complete
Image coverage: None

Curated from authoritative public sources. See source quality.

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Mission

Agency

Launch

Voyager 2Jupiter, Saturn, Uranus, Neptune

NASA

1977-08-20

NASA (n.d.). Voyager 1 — NASA. NASA. https://science.nasa.gov/mission/voyager/ @misc{cite:mission-space_mission-voyager-1, title = {Voyager 1 — NASA}, organization = {NASA}, year = {n.d.}, url = {https://science.nasa.gov/mission/voyager/}, note = {NASA mission page for Voyager 1.} }

Voyager 1

Mission overview

Outcome & discoveries

Mission profile

Knowledge connections

Related missions

Sources

Voyager 1

Mission overview

Outcome & discoveries

Mission profile

Knowledge connections

Related missions

Sources