Description : How come it appears when astronomers talk of life on other planets they seem to use Earth as the only template?
Last Answer : answer: What makes astronomers believe life out there has to adhere to the perimeters of here, being Earth? Nothing. In fact, many people have hypothesized just that. However, we ... asphalt. The study of these extremophiles may inform the search for extraterrestrial microorganisms, as well.