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Wobbly Planets Could Host Life, says Study

A planet’s wobble may greatly enhance its ability to host life, even if the planet is far away from its star, new research says.   Wobbling, or axial shifting, means that a planet changes its tilt much in the same way as a top that’s about to stop spinning.   Extreme wobbling may be explained by competing gravitational pulls between the planets’ star and another nearby planet.   These wobblers could change their orientation within “tens to hundreds of thousands of years...

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