Astronomers have discovered five new planets orbiting the nearby star Tau Ceti, and there's even better news -- one of them could potentially support life one day. While there are a couple things to be excited for, that's a big "potentially." What's more, it's not as if "nearby" is not exactly down the block in absolute terms. At just 12 million miles away, though, it's just a stone's throw away, as far as the cosmos are concerned. Considering that we're running out of ways to doom this planet, it's never too early to start looking for a new one to ruin a little farther down the line.
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