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In 2014, a rocky planet 218 light-years from Earth was discovered. Well, say hello to a fourth planet in the system! Kepler-138e is smaller than Earth and much less weighty. It joins 5,241 worlds confirmed beyond our solar system.
Hey, little buddy 👋 https://go.nasa.gov/3Hor1cB
#NASAExoplanets

Eyes On Exoplanets – Exoplanet Exploration: Planets Beyond our Solar System

go.nasa.gov
#NASAExoplanets

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