By A Mystery Man Writer
It has been announced that the massive solar X-ray flare which occurred on 4 November was, at best estimate, an X28. There is still a small chance this will be revised by a small amount, but it is now official: We have a new number 1 X-ray flare for the record books, the most powerful in recorded observational history.
What is a solar flare?
What are X flares? Can they harm us?
Extreme 'X-Class' Solar Flare Hits Earth, Causing Radio Blackout
ESA - The biggest solar X-ray flare ever is classified as X28
ESA - The biggest solar X-ray flare ever is classified as X28
A powerful 'X-class' solar flare just hit Earth. Forecasters are
Solar Observatories
Extreme solar events Living Reviews in Solar Physics
NASA SVS X-Class: A Guide to Solar Flares
ESA - The biggest solar X-ray flare ever is classified as X28