Solar flare: 'Largest ever' blast equal to 80 BILLION megatonnes of TNT lights up the sky A SOLAR flare larger than anything astronomers have ever witnessed in our solar system has released the energy equivalent of 80 billion megatonnes of TNT, a new study has claimed. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:A Freezing Swim to Call Attention to Warming WatersIslamic State and Climate Change Seen as World’s Greatest Threats, Poll SaysNASA advertises six-figures salary job for person to defend the world from ALIENSBlistering Heat Wave Threatens Seattle, Where Only a Third Have Air-ConditioningHomeland Security to Bypass Environmental Laws in Border Wall WorkDiscovery of first exomoon could help find ALIENS