A brief, but high-impact storm will bring heavy rain, feet of high country Sierra Nevada snow and hazardous travel to California and neighboring states from Wednesday night to Thursday night.

Also, astronomers have spotted the largest and most distant flare ever observed from a supermassive black hole. Nicknamed “Superman,” the flare originated 10 billion light-years from Earth, and at its peak, the light emitted shone with the brightness of 10 trillion suns.

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