clips

  • The Terrifying Reason This Star Flickers Every Two Minutes

    The Terrifying Reason This Star Flickers Every Two Minutes

    Some 380 light years away in the constellation Scorpius lies a star that has puzzled astronomers for over 40 years. Called AR Scorpii, the star flashes brightly and fades again every couple minutes, like a lightbulb on a dimmer switch. Now, astronomers have identified the cause of the flickering, and it’s a reminder that the…