Astronomers saw the first mass eruption from a star that’s not the sun

The coronal mass ejection was as massive as scientists expected, but less energetic

solar flare illustration

I SPY  On the sun, flares such as this one are often followed by an eruption of plasma and charged particles. Astronomers have now seen the first such coronal mass ejection from another star.

SDO/GSFC/NASA

BOSTON — For the first time, a stellar eruption called a coronal mass ejection has been spotted fleeing a distant star.