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A fluctuating tilt in a planet’s orbit does not preclude the possibility of life, according to new research by astronomers at the University of Washington, Utah’s Weber State University and NASA. In fact, sometimes it helps.

That’s because such “tilt-a-worlds,” as astronomers sometimes call them — turned from their orbital plane by the influence of companion planets — are less likely than fixed-spin planets to freeze over, as heat from their host star is more evenly distributed.

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