Sunspot the size of 40 Earths showed the Sun's potential for a superflare
Scientists extrapolated data from 300 of the strongest flares and estimated the possible energy of an extreme event to be several ×10³⁴ ergs
Solar Dynamics Observatory
Scientists extrapolated data from 300 of the strongest flares and estimated the possible energy of an extreme event to be several ×10³⁴ ergs