Theme

Outer Solar System

Reaching the least-explored worlds — an orbiter for an ice giant, and a probe designed to travel deliberately beyond the heliosphere into interstellar space.

In brief

Missions to the ice giants and beyond.

Missions in this theme

Interstellar ProbeMission concept
Concept · Concept study; no launch date
A concept for a purpose-built successor to the Voyagers — a spacecraft designed from the start to reach deep interstellar space and study the boundary between the Sun's influence and the galaxy beyond.
Uranus Orbiter and ProbeMission concept
Proposed · Concept; potential launch in the 2030s
The flagship mission recommended to become the next great outer-planets endeavour — a first dedicated orbiter for an ice giant, to explore Uranus, its tilted magnetosphere, its rings, and its moons.

Knowledge connections

Group includesUranus Orbiter and Probe
Group includesInterstellar Probe

Sources

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

NASANational Aeronautics and Space Administration
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.

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