An unexpected rescue mission could come in the form of a star flying by the solar system. There's a slim chance the star could pull the Earth to a more habitable zone, a study suggested. The researchers ran 12,000 simulations to see what would happen if a star passed within 100 astronomical units (about 9.3 billion miles) from Earth. In 92% of cases, the solar system would remain almost intact even as a star passed by the solar system. In some simulations, Earth remained in the solar system but was pulled to a region beyond Pluto that's about 10% cooler than our current orbit.

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Persons: —, Sean Raymond, there's, Raymond, that's Organizations: Service, University of Bordeaux, Planetary Science Institute, New, Royal Astronomical Society Locations: France, Tucson , Arizona