Kepler-22b is an exoplanet orbiting within the habitable zone of the Sun-like star Kepler-22, approximately 600 light-years away from Earth in the constellation of Cygnus. It was discovered by NASA's Kepler space telescope in December 2011.
Kepler-22b is roughly 2.4 times the size of Earth, and its surface temperature is estimated to be around 22 degrees Celsius, making it a potentially habitable world. However, its composition and atmosphere are still unknown, so it is uncertain whether it could support life as we know it.
Although Kepler-22b is considered one of the most Earth-like exoplanets discovered to date, much is still unknown about its characteristics and potential for habitability. Further research and observations are needed to learn more about this intriguing planet and its potential for hosting life.
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