Kepler-452 b is an exoplanet, meaning a planet outside our solar system,
that was discovered by NASA's Kepler spacecraft in 2015. It is located about
1,400 light-years away in the constellation Cygnus and is estimated to be about
6 billion years old, roughly 1.5 billion years older than Earth.
Kepler-452b is considered a "super-Earth," meaning it is
larger than Earth but smaller than gas giants like Jupiter. It is estimated to be about 1.6 times the size of Earth and to have a
similar surface temperature to Earth, suggesting that it could potentially have
liquid water on its surface.
Kepler-452b orbits its star, Kepler-452, at a distance that places it
within the habitable zone, which is the range of distances from a star where
conditions may be suitable for the existence of liquid water on the surface. Its orbital period is about 385 days, which is only slightly longer than
Earth's.
While Kepler-452 b is considered one of the most Earth-like exoplanets
discovered to date, much remains unknown about its composition, atmosphere, and
potential for supporting life. Further research and observation will be
necessary to better understand the planet and its potential habitability.
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