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Scientists stunned by 'inside out' solar system that mirrors our own

Scientists say a nearby red dwarf star hosts a planetary lineup that looks like a mirror image of our own solar system, with ...
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A hidden world? Astronomers may have found a new solar system planet

Astronomers are closing in on one of the most tantalizing possibilities in planetary science, evidence that a previously unknown world may be lurking in the outer reaches of the solar system. The ...