👉Kepler-442b is a rocky planet beyond our solar system, located about 1,206 light-years away from Earth. Scientists consider it one of the most promising candidates for a potentially habitable world discovered so far. In a 2015 study using a planetary habitability index, the planet received a score of 0.836—slightly higher than Earth’s 0.829. These ratings estimate how suitable a planet might be for life, based on factors such as size, likely surface temperature, and whether it lies in the “hab