What does 10 years mean to our 4.6 billion-year-old sun? Probably about as much as the last millionth of a second meant to you. Still, every decade that our old sun burns on is a decade of turbulent, sometimes violent change — a fact that becomes beautifully evident in a new time-lapse video from NASA's Solar Dynamics Observatory (SDO).
更多内容：https://www.nasa.gov/feature/goddard/2020/watch-a-10-year-time-lapse-of-sun-from-nasa-s-sdo
