Sun’s hidden twin is hurling killer comets at Earth — and may have wiped out dinosaurs: expert

The sun’s hidden twin is hurling killer comets at Earth every 26 million years — and the bad bro may have wiped out the dinosaurs, according to a new theory. And tape up the windows — UC Berkeley physicist Richard Muller estimates the next barrage from the theoretical twin nicknamed “Nemesis” is a mere 12...

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