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TESS Mission of NASA discovers its first Earth-size planet – HD 21749c

The Transiting Exoplanet Survey Satellite (TESS) Mission of NASA has discovered its first Earth-size planet – HD 21749c. The newly-discovered planet is about 89% Earth’s diameter. The planet is likely very hot, with surface temperatures perhaps as high as 800 degrees F (427 degrees C). It orbits HD 21749, a K-type dwarf star located 53 ..


NASA Discovers New Planet

The National Aeronautics and Space Administration (NASA) of USA has discovered a new planet. It is the third new planet discovered by the NASA mission, Transiting Exoplanet Survey Satellite (TESS). HD 21749b- New Planet The salient features of the newly discovered planet are: The new planet HD 21749b is outside our solar system and orbits ..