Before that it was in an orbit that went from the orbit of Jupiter out past the planet Uranus.

NPR: Stardust Set to Deliver Comet Samples

I've been on at the European Space Agency (Esa) to give us a picture of the Planet Uranus for quite a while, and I'm pleased to say the image has finally been delivered.

BBC: Uranus image celebrates Herschel - the man and the machine

Uranus, the next planet in from Neptune, is almost as mysterious, but for a different reason: its almost featureless green surface provides few clues to the goings-on in its atmosphere.

ECONOMIST: Comparative meteorology

Neptune was also discovered in 1846 after two mathematicians analysed decades of observations of the anomalous motion of Uranus to reveal the gravitational influence of an unseen planet.

ECONOMIST: Mining the digital skies