خورشیدگرفتگی 100 سال پیش

Eclipses set the stage for historic science. NASA is taking advantage of the Aug. 21, 2017 eclipse by funding 11 ground-based scientific studies. As our scientists prepare their experiments for next week, we're looking back to an historic 1860 total solar eclipse, which many think gave humanity our first glimpse of solar storms -- called coronal mass ejections -- 100 years before scientists first understood what they were. Scientists observed these eruptions in the 1970s during the beginning of the