Discovery and exploration of the Solar System as clouds, dust storms, and ice caps on the other planets. The first exploration of the Solar System was conducted by telescope, when astronomers first began to map those objects too faint to be seen with the naked eye. Galileo was the first to discover physical details about the individual bodies of the Solar System. He discovered that the Moon was cratered, that the Sun was marked with sunspots, and that Jupiter had four satellites in orbit around it. Christiaan Huygens followed on from Galileo's discoveries by discovering Saturn's moon Titan and the shape of the rings of Saturn. Giovanni
Twice as Far depth to make up for jumbled storylines, a pointless death, and a frustrating finish." Matt Fowler from IGN gave it an 8 out of 10 and positively commented on the two supply run missions and Denise's storyline, but felt Carol's decision to exile herself did not work. Zack Handlen of "The A.V. Club" gave the episode a "B+" grade. The episode averaged a 6.0 rating in adults 18-49, with 12.686 million viewers overall, a slight rise from the previous episode. Twice as Far "Twice as Far" is the fourteenth episode of the sixth season of the post-apocalyptic horror television series