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The first successful flybys of Jupiter and Saturn were made by Pioneers 10 and 11 in 1973 and 1979, but a unique alignment of planets brought the opportunity for a much more ambitious mission. The twin Voyager probes used gravitational slingshot" to tour the giant planets, swinging past Jupiter in 1979

orbiting mars

As the first spacecraft to orbit Mars, Mariner 9 (above) put an end to ideas that it was just a cratered, Moon-like world. Its photographs revealed canyons, volcanoes, and dried-up riverbeds (right).

orbiting mars

As the first spacecraft to orbit Mars, Mariner 9 (above) put an end to ideas that it was just a cratered, Moon-like world. Its photographs revealed canyons, volcanoes, and dried-up riverbeds (right).

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Digital Cameras For Beginners

Digital Cameras For Beginners

Although we usually tend to think of the digital camera as the best thing since sliced bread, there are both pros and cons with its use. Nothing is available on the market that does not have both a good and a bad side, but the key is to weigh the good against the bad in order to come up with the best of both worlds.

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