Did you know today marks the beginning of World Space Week? I didn't either, but here are five interesting facts about the international annual observance.
1. Who started World Space Week? The United Nations General Assembly.
2. What is World Space Week? According to Wikipedia: "An international celebration of science and technology and their contribution to the betterment of the human condition. World Space Week is coordinated by the United Nations Office for Outer Space Affairs with the support of World Space Week Association, a non-government organization."
3. What is the significance of Oct. 4? World Space Week goes from Oct. 4 - 10, which signifies the launch of Sputnik 1, Earth's first man-made satellite (Oct. 4, 1957), as well as the signing of the Outer Space Treaty (Oct. 10, 1967).
4. Evolution of the week - 2007: "In 2007, World Space Week was celebrated in 54 countries and in space. A total of 435 events were reported in 244 cities, with attendance of over 377,000 and media audience of over 26,000,000. Events included rocket launches, school activities, exhibits, political events, and special events at planetaria around the world."
5. Board of Directors: Include - Tom Hanks, Buzz Aldrin, Bill Nye and other space leaders worldwide.