Sputnik Revisited: Notable Resources Online

Has the recent media coverage of the fiftieth anniversary of the launching of Sputnik, piqued your interest in learning more about this seminal event in space exploration? If so you're in luck-you'll easily find loads of resources on this subject online.

Here are a few worth noting:

• Sputnik: the fiftieth anniversary - This site from NASA offers a background history, Soviet documents, a photo gallery and more.

• Sputnik Declassified - A one hour PBS NOVA program that you can watch online, reveals some surprising information about Sputnik you might not know about.

• Sputnik 1 - Milestones of Flight - This handy one-page fact sheet about Sputnik is provided by the Smithsonian's National Air and Space Museum.

If you want a quick and easy way to learn more about Sputnik, the first salvo in the war for space superiority between the United States and the former Soviet Union, you'll find these sites particularly helpful.