Sandstone. Credit: Mineral Information Institute.
Taiyo was a Japanese satellite designed to study how solar ultraviolet and X-rays affect Earth's thermosphere. Taiyo ("Sun") was also known as Shinsei-3 and SRATS (Solar and Thermospheric Radiation Satellite).
|launch date||Feb 24, 1975|
|orbit||255 × 3,135 km × 31°|