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Voyager 1 & 2

1970–1985: Solar-System Firsts and Scientific Reach

Voyager 1 & 2

Transformative flybys of the giant planets; both later entered interstellar space.

Era 2 of 6 · full record in the catalog

Launch
20 Aug 1977
Lead / partner
United States
Target
Outer Solar System
Category
Planetary grand tour
Status
Success
Vehicle
Titan IIIE
Mass
unknown
Orbit / trajectory
unknown

Why it happened

Voyager 1 & 2 flew during 1970–1985: Solar-System Firsts and Scientific Reach, as part of United States's work toward outer solar system. A sourced write-up of the context around this mission is still on the editorial queue; nothing here is invented to fill the gap.

The mission

The full narrative of this mission is pending research and writing. What is recorded so far: Transformative flybys of the giant planets; both later entered interstellar space.

Results

Transformative flybys of the giant planets; both later entered interstellar space.

Related missions

Voyager 1 & 2 ISEE-3 — competitor ISEE-3 Venera 11 — competitor Venera 11 Apollo–Soyuz Test Project — competitor Apollo–Soyuz … Aryabhata — competitor Aryabhata

ISEE-3

Success

United States / ESA · 1978

Aryabhata

Partial success

India / Soviet Union · 1975

Sources & image credits

  • NASA/JPL, via Wikimedia Commons · Public domain · license: public-domain (source, checked 2026-08-24)
  • Mission record: AntarikshPedia canonical dataset (data-sources/missions_timeline.md)
  • Specifications reference: NASA NSSDCA Master Catalog