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The terrifying reason this star flickers every two minutes
About 380 light years away in the constellation Scorpius lies a star that has puzzled astronomers for more than 40 years. Called AR Scorpii, the star flashes brightly and fades again every couple of minutes, like a lightbulb on a dimmer switch. Now, astronomers have identified the cause of the flickering, and it's a reminder that the cosmos is still rife with terrifying secrets.
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