By Jason Palmer Science and technology reporter, BBC News, Seattle
The largest flares unlock streams of particles that could play havoc with planetary atmospheres
Red dwarf stars have surprisingly frequent flare-ups, scientists say, and these solar flares' effects could be deadly to life on nearby planets.
The largest flares unleash streams of particles that could play havoc with planets' atmospheres - or inhabitants.
A study of 410,000 red dwarfs - the most common type of star in our galaxy - turned up many flares of all sizes.
Scientists at the American Astronomical Society meeting said that could pose a risk to any life on orbiting dwarfs.
The result is particularly relevant given the recent discovery that the Universe hosts three times as many red dwarf stars than previously thought. - BBC
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