17,714 followers
On the Size of the Flare Associated with the Solar Proton Event in 774 AD https://t.co/W7aRwsfxFw @IOPscienceより
On the Size of the Flare Associated with the Solar Proton Event in 774 AD https://t.co/W7aRwsfxFw @IOPscienceより
RT @JustinCKasper: Evidence of an X285 class flare in the year 774AD based on radionuclide data. Really exciting result on just how bad an…
Holy crap, X285?! The largest known solar flare in the modern day has been X28. An X2 flare is twice as powerful as an X1 flare. So... you do the maths.
RT @JustinCKasper: Evidence of an X285 class flare in the year 774AD based on radionuclide data. Really exciting result on just how bad an…