Explosion on Jupiter-sized star 10 times more powerful than ever seen on the sun Kit Daniels Posted on April 18, 2019 Posted in Aggregated No Comments Tagged with science A stellar flare ten times more powerful than anything seen on our sun has burst from an ultracool star almost the same size as Jupiter Share this:Share Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Share on LinkedIn (Opens in new window) LinkedIn Email a link to a friend (Opens in new window) Email