About Kepler-189 b
Kepler-189 b is a rare exoplanet. It lies about 1,929.3 light-years from Earth, shines at apparent magnitude 14.97, has an equilibrium temperature near 678 K and spans roughly 1.21 Earth radii.
Genuinely comparable to Earth in size. Worlds in this narrow band are the ones every next-generation telescope is being pointed at.