Kepler-186f (also known by its Kepler Object of Interest designation KOI-571.05) is an exoplanet orbiting the red dwarf Kepler-186, about 500 light-years (171 parsecs, or nearly 5.298×1015 km) from the

The Sun is the star at the center of the Solar System. It is a nearly perfect sphere of hot plasma,with internal convective motion that generates a magnetic field via a dynamo process. It is by far the