Life on Earth may be unique, but the ingredients for life are scattered throughout the universe from "summary" of The Cosmic Connection by Carl Sagan
The idea that life on Earth is a singular phenomenon has long held sway. We have been conditioned to think of ourselves as the lone inhabitants of a barren cosmos. But this view is rapidly changing as we delve deeper into the mysteries of the universe. The ingredients necessary for life - carbon, water, and other essential elements - are not confined to our planet alone. They are scattered throughout the vast expanse of space, waiting to be assembled into life forms. As we explore the cosmos, we find that the building blocks of life are ubiquitous. Meteorites from Mars contain organic molecules similar to those found on Earth. Moons of distant planets have oceans of liquid water beneath their icy crusts. Even the harsh environments of space, with its extreme temperatures and intense radiation, harbor life in the form of resilien...
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