The phrase "habitable worlds" refers to planets or celestial bodies that are suitable for life to exist. These are places where conditions like temperature, availability of water, and ability to sustain life forms are in place. Full definition
Recently, astronomers looking for potentially habitable worlds have targeted red dwarf stars because they are the most common type of star, comprising 80 percent of the stars in the universe. (sciencedaily.com)
Those are the criteria that astronomers have applied in their search for habitable worlds beyond our solar system. (blogs.nature.com)
Learn whether there could really be billions of habitable worlds in our galaxy. (seeker.com)