original: the habitable zone -lrb- hz -rrb- in astronomy is a region of space where stellar conditions are favorable for life as it is found on earth .
simplifications: a habitable zone occurs when a planet contains the necessary elements needed for life . the habitable zone -lrb- hz -rrb- in astronomy is an area of space where the conditions are as favorable for life as it is on earth . the habitable zone in astronomy is a region of space where stellar conditions are favorable for life as it is on earth . the habitable zone , hz , is a term in astronomy to mark a location of space where the conditions in the star are friendly to continue life as like that of earth . in astronomy , the habitable zone -lrb- hz -rrb- is a region of space where conditions allow life as it is found on earth . the habitable zone is an area of space with conditins favorable for life like it is on earth . the habitable zone -lrb- hz -rrb- in astronomy is a place in space where life can survive in stellar conditions as well as it can on earth . the habitable zone -lrb- hz -rrb- in astronomy is any part of space where stellar conditions are good for life like on earth .