Astronomy Picture of the Day . A Huge Solar Filament Erupts . ... Credit Copyright: NASA 's GSFC , SDO AIA Team Explanation: Click the arrow and watch an unusually long filament explode out from the Sun. ... Explosions like this will likely become more common over the next few years as our Sun moves toward Solar Maximum activity. ... Publications with keywords: Sun - solar activity - filament - eruption . Publications with words: Sun - solar activity - filament - eruption . ...