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From the beginnings of our solar system 4.5 billions years ago, there remain many clues to reveal its evolution. Remnant debris, asteroids, and comets are what's left of the building blocks to our celestial neighborhood.
Mars has fired our imagination for thousands of years. The tantilizing possibility of life has made it the most inviting planet in our solar system. It is the only other place that man may one day call home.
In the cold, dark expanse of our solar system, beyond the asteroid belt, lie the giant planets. Some can be seen with the naked eye, others have been visited by our camera. What secrets do they hold?
Our modern-day itch to find out what lies out beyond our atmosphere is rising again. The frontiers of space exploration are expanding as scientists debate a range of future missions: a return to the Moon, manned flights to Mars, robotic missions to Titan and Europa, or mining asteroids. This expansive series shows that this grand quest is driven as much by technology as our attitudes toward Earth.