1983 pioneer 10 crosses the orbit of neptune and becomes the first human made object to travel beyond the orbits of the planets of our solar system.
Solar system nasa neptune.
Asteroids comets meteors about asteroids comets meteors.
Beyond our solar system.
Nasa s voyager 2is the only spacecraft to have visited neptune up close.
Solar system our solar system.
Introductiondark cold and whipped by supersonic winds ice giant neptune is the eighth and most distant planet in our solar system.
The position of the planets moons and spacecraft are shown where they are right now.
Our scientists and hardworking robots are exploring the wild frontiers of our solar system.
Skywatching tips from nasa.
In 2011 neptune completed its first 165 year orbit since its discovery in 1846.
More than 30 times as far from the sun as earth neptune is the only planet in our solar system not visible to the naked eye and the first predicted by mathematics before its discovery.
In 2011 neptune completed its first 165 year orbit since its discovery in 1846.
More than 30 times as far from the sun as earth neptune is the only planet in our solar system not visible to the naked eye.
This simulated view of our solar system runs on real data.