Sounds trite, but giving a concept (1: 1 000 000 000 000) a name makes it easier to listen to. Light travelling 9.46 km in a year or even 1000 years to travel 1 mm is just about getting to know these new education universes. http://lessonpeer.com/drhillteach/Peterverse%20and%20Hillverse/Peterverse%20and%20Hillverse.mp4 http://lessonpeer.com/drhillteach/Peterverse%20and%20Hillverse/Peterverse%20and%20Hillverse.mp3.mp3