The pictures were taken by the Solar Dynamics Observatory (SDO), which is the most advanced spacecraft ever designed to study the Sun.
这些照片都是在太阳动力学观测站上拍摄到的，它目前是研究太阳这个天体中，最先进的航天器。
The pictures were taken by the Solar Dynamics Observatory (SDO), which is the most advanced spacecraft ever designed to study the Sun.
这些照片都是在太阳动力学观测站上拍摄到的，它目前是研究太阳这个天体中，最先进的航天器。
