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2 results for "super-earths"
Astronomers discovered four "baby" planets caught in the act of transforming into the galaxy's most common type of world. The breakthrough solves a mystery about how super-Earths and sub-Neptunes take shape.
Rocky planets up to six times Earth's size could generate powerful magnetic fields from layers of molten rock, not just their cores. This discovery suggests far more alien worlds might protect potential life from deadly cosmic radiation than scientists previously thought.