Would discovering the fossils of some complex species on Mars (or any where else in the solar system) be any worse for getting past the great filter then the di

Would discovering the fossils of some complex species on Mars (or any where else in the solar system) be any worse for getting past the great filter then the discovery of fossils of dinosours on earth. We allready know that mass extinction events on Earth are possible, and should expect them to occur on other planents with life too