Discovery Alert: ‘Super-Earth’ Swings from Super-Heated to Super-Chill

The Discovery A possible “super-Earth” orbits a relatively close, Sun-like star, and could be a habitable world – but one of extreme temperature swings, from scorching heat to deep freeze. Key Facts The newly confirmed planet is the outermost of three detected so far around a star called HD 20794, just 20 light-years from Earth. […]
Posted on March 11, 2025
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