TESS spacecraft discovered an Earth-sized planet 53 light-years away

Photo of TESS spacecraft discovered an Earth-sized planet 53 light-years away
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NASA is bragging on the TESS (Transitioning Exoplanet Survey Satellite) spacecraft as it has discovered its very first Earth-sized world. TESS has found a planet dubbed HD 21749c that scientists say is about 89% of Earth’s diameter making it a bit smaller than our planet. The planet orbits a star called HD 21749. That star is a K-type star that … Continue reading
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