Actually, exoplanets are planets that orbit stars outside our solar system. They can have a wide range of properties, including size, temperature, and composition. Some exoplanets may have similar properties to Earth, such as being rocky and located in the habitable zone of their star, where temperatures are just right for liquid water to exist on the planet's surface. However, determining the properties of an exoplanet is not as simple as looking at a picture. Scientists use a variety of techniques, including measuring the star's wobble caused by the planet's gravity, analyzing the starlight as the planet passes in front of the star, and studying the planet's atmosphere, to determine its properties. By studying exoplanets, scientists hope to gain a better understanding of how planets form and evolve, and to find clues to the possibility of life beyond our solar system.
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