SMM, Solar Maximum MIssion 太阳极大使者
SMT, Submillimeter Telescope 亚毫米波望远镜
SOFIA, Stratospheric Observatory for 〈索菲雅〉机载红外望远镜
Infrared Astronomy
soft γ-ray burst repeater 软 γ 暴复现源
soft γ repeater ( SGR ) 软 γ 射线复现源
SOHO, Solar and Heliospheric 〈索贺〉太阳和太阳风层探测器
Observatory
solar circle 太阳圈
solar oscillation 太阳振荡