how is the existence of earth's unique atmosphere explained?
Oh, yeah, and one more thing: Earth is known for being home to all kinds of life! Space.comâs Clara Moskowitz writes, âThe fact that Earth hosts not just life, but intelligent life, makes it doubly unique.â. Moskowitzâs article includes a litany of specifics on what makes Earth unique, including: the existence of water at the Earthâs surfaceâneither too much nor too littleâthat is in liquid form.