Aryabhata
The Aryabhata spacecraft. (Credit: ISRO)
Lifetime: April 1975
Country (primary): India
Primary Science
Aryabhata was India's first satellite and was designed for studies of X-ray astronomy, aeronomics and solar physics. Unfortunately, a power failure halted experiments after 4 days in oribt, and all signals from the spacecraft were lost after 5 days of operation.