Even the Calmest Red Dwarfs are Wilder than the Sun

There’s something menacing about red dwarfs. Human eyes are accustomed to our benevolent yellow Sun and the warm light it shines on our glorious, life-covered planet. But red dwarfs can seem moody, ill-tempered, and even foreboding. For long periods of time, they can be calm, but then they can flare violently, flashing a warning to …