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Exoplanet
Definition
A planet orbiting a star other than the Sun. Detecting and characterizing exoplanets (atmosphere, size, temperature) is a major field of modern astrophysics, notably with the James Webb telescope.
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A planet orbiting a star other than the Sun. Detecting and characterizing exoplanets (atmosphere, size, temperature) is a major field of modern astrophysics, notably with the James Webb telescope.