^40 facts for Horizon's 40th birthday. 英國廣播公司網頁. 2004-08-19 [2012-11-03]. (原始内容存档于2012-03-27). The aim of Horizon is to provide a platform from which some of the world's greatest scientists and philosophers can communicate their curiosity, observations and reflections, and infuse into our common knowledge their changing views of the universe.