Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. For centuries, astronomers have observed Mars , patiently compiling many facts and theories. Like a distant mirror of Earth dwellers' hopes and fears for the future, Mars, the fourth planet from the sun , has inspired profound works of fiction as well. Through the years scientific theories about Mars have been disproven , but the sense of wonder and adventure embodied in these works of fiction remain with us.
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