NASA
"Fingers Crossed"
Fifty Years of Space Exploration
In 1957, the Soviet Union launched Sputnik 1, the world's first artificial satellite. Celebrating the anniversary, the Open University's 2007 Annual Lecture reviews some nail-biting moments from the first 50 years of mankind's journey into space.
















![Polling Station signage [Image: kagey b under CC-BY-NC-ND licence]](/openlearn/files/ole/ole_images/places/general-urban-scenes/polling-station-sign/polling station sign_0_0.jpg)




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