April 19, 1975: Launched by the Soviet Union from Kapustin Yar, Aryabhata was India’s first satellite, named after a ancient Indian mathematician (5th century AD). Aryabhata was built by the Indian Space Research Organization (ISRO) to conduct experiments in X-ray astronomy, aeronomics, and solar physics

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The SSPI Satellite Timeline is the first interactive site on the Web to chronicle the rich and diverse history of the commercial satellite industry. Launched in October 2007 – the 50th anniversary of Sputnik – the Timeline is a learning tool for satellite professionals, students, the news media and the innovative companies that make up the industry