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The Jet Propulsion Laboratory is the lead U.S. center for robotic exploration of the solar system, and conducts major programs in space-based Earth sciences and astronomy. JPL spacecraft have visited all of the planets from Mercury to Neptune.

Space.com provides information on everything Space - satellites, stars, astronomy, the Sun, planets, NASA and more.

TechRepublic helps IT decision-makers identify technologies and strategies to empower workers and streamline business processes. The site delivers a unique blend of original content by IT professionals, peer-to-peer advice from the largest community ...

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Visit the official home page for Windows. Find help, purchasing info, and downloads for Windows 7, Internet Explorer, and other Windows products.

Reviews and free software downloads for Windows, Mac, Palm, Pocket PC, and Mobile Phones. The best programs and games. Buy software directly online.

National Geographic Science and Space Home Page.

Visit www.macosxautomation.com for in-depth information and materials regarding automation in Mac OS X.

SourceForge.net. Fast, secure and free downloads from the largest Open Source applications and software directory

Chandra X-ray Observatory Center, Gateway to the Universe of X-ray Astronomy