It's orbit takes it from 13 AU (astronomical ... fainter rings. Like most Centaurs, Chariklo isn’t in a stable orbit, moving from comfortably beyond Saturn to the distance of Uranus during ...
It is this methane that gives the planet its distinctive aquamarine colour, which is visible in this image of Uranus, one of 77 composite photographs that appeared in Otherworlds: Visions of our Solar ...