No spacecraft has ever landed in the outer solar system — except one: the Huygens probe, which parachuted through Titan's orange haze in 2005 and touched down more than a billion kilometres from Earth in cold that dropped below minus 170 degrees Celsius

No spacecraft has ever landed in the outer solar system — except one: the Huygens probe, which parachuted through Titan's orange haze in 2005 and touched down more than a billion kilometres from Earth in cold that dropped below minus 170 degrees Celsius

For all the spacecraft humanity has sent into the outer solar system, only one has ever landed there. Everything else, from the Pioneers and Voyagers to Galileo, Cassini and Juno, has flown past or orbited from a distance. Just a single probe has descended through an alien sky and come to rest on the ground beyond the asteroid belt: the European Huygens probe, which parachuted through the orange haze of Saturn’s moon Titan in January 2005 and to…