These 7 Earth-Sized Planets Were Seen By NASA Outside Our Solar System
NASA has found a nearby solar system with seven Earth-sized planets, three of which circle their parent star at the right distance for liquid surface water, raising the prospect of life, research published on Wednesday showed. The star, known as TRAPPIST-1, is a small, dim celestial body in the constellation Aquarius. It is located about 40 light years away from Earth.
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These planets are scientifically known as exoplanets because they are located outside of our solar system. The exoplanet system is called TRAPPIST-1, named for The Transiting Planets and Planetesimals Small Telescope (TRAPPIST) in Chile. (Image source: NASA)
