Recognizing the remarkable convergence of anniversaries of space activities in 2007, which includes the fiftieth anniversary of the advent of the space age with the launch into outer space of the first artificial Earth satellite, Sputnik I, on 4 October 1957; the fortieth anniversary of the Treaty on Principles Governing the Activities of States in the Exploration and Use of Outer Space, including the Moon and Other Celestial BodiesUnited Nations, Treaty Series, vol. 610, No. 8843. (Outer Space Treaty), which entered into force on 10 October 1967; the fiftieth session of the Committee on the Peaceful Uses of Outer Space; and the fiftieth anniversary of the International Geophysical Year, which is being commemorated by the proclamation of 2007 as International Heliophysical Year,
认识到2007年多个空间活动周年巧合，其中包括1957年10月4日第一颗人造地球卫星史波尼克一号发射进入外层空间后空间时代到来五十周年、1967年10月10日的《关于各国探索和利用包括月球和其他天体在内外层空间活动的原则条约》（《外层空间条约》）联合国，《条约汇编》，第610卷，第8843号。 生效四十周年、和平利用外层空间委员会第五十届会议以及国际地球物理年五十周年，目前正在通过宣布2007年为国际太阳物理年来纪念这个周年，