Neptune is now the system's outermost planet, 2.8 billion miles from Earth.

The orbit of the outermost planet lay behind her.

We'll meet 10 light-hours away from here on a line formed by the sun and its outermost planet.

The outermost planets, and even some of those closer to the sun have not been moving as they should.

Never before has the solar system been photographed from a perspective beyond the outermost planets.

It is in a 1:2 orbital resonance with the outermost known planet, taking 30.340 days to orbit the star.

It is the third and outermost planet in its star system.

HD 10180 h is the largest and outermost known planet in the system.

To achieve that, you must conquer every world solar system, working from the outermost planet inward to the sun.

There are times when Pluto is not the outermost planet.