Repeating radio signal leads astronomers to an Earth-size exoplanet
By Ashley Strickland, CNN Astronomers have detected a repeating radio signal from an exoplanet and the star that it orbits, both located 12 light-years away from Earth. The signal suggests that the Earth-size planet may have a magnetic field and perhaps even an atmosphere. Earth’s magnetic field protects the planet’s atmosphere, which life needs to
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