“A Twin Earth?” –Sunlight Observed from a Rare Sun-Like Star, Sitting in the Habitable Zone


G Type Star


The most abundant types of star in our Milky Way galaxy are red dwarfs, hosting the bulk of our galaxy’s planet population reports NASA’s Hubble Site, which could number tens of billions of alien worlds. Among the more than 4,000 known exoplanets, is planet KOI-456.04 –less than twice the size of Earth, it orbits, Kepler-160, much liker our life-giving G-type main-sequence Sun (image above), sometimes referred to as a yellow dwarf, that formed approximately 4.6 billion years ago from the gravitational collapse of matter within a region of a large molecular cloud. And it does so with a star-planet distance that could permit planetary surface temperatures conducive to life.