Humans have been fascinated with mars for thousands of years, from the ancient Greeks and Romans to current NASA scientists. Now the American space program wants to travel to Mars which would cost up to thirty billion dollars for a human mission to Mars. On January 4th, 2004 a rover named Spirit landed on Mars, from then many critics wondered if we should spend money on Mars? Mars exploration is a good idea for America. But such critics think the American economy doesn't have the money to spend for exploration. Despite the criticism mars exploration is beneficial and a good idea for Ameri…