Topic
Outer Solar System
4 questions tagged Outer Solar System — spanning every one of the seven Ws.
when
When was the first spacecraft launched to make close flybys of outer planets?
Pioneer 10 launched on 2 March 1972. It became the first spacecraft to fly past Jupiter and then leave the Solar System on a hyperbolic path.
SpaceOuter Solar System
what
What is the Kuiper Belt object Arrokoth?
Arrokoth is a small, icy Kuiper Belt object visited by NASA’s New Horizons spacecraft in 2019. It is one of the most primitive and distant worlds ever explored up close.
AstronomyOuter Solar System
when
When did the first spacecraft successfully visit Jupiter?
Pioneer 10 became the first spacecraft to reach Jupiter on 3 December 1973, when it flew past the planet.
Space ExplorationOuter Solar System
when
When was the first spacecraft sent to Saturn?
Pioneer 11 became the first spacecraft to fly by Saturn on 1 September 1979.
Space ExplorationOuter Solar System