National Aeronautics and Space Administration

Goddard Space Flight Center

Sun-Earth Day 2010: Ancient Mysteries, Future Discoveries

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Technology Through Time

Over the centuries our collective knowledge about the Sun and its direct connection to our planet has continued to grow along with our desire to learn more! Technology Through Time invites you to join us in this journey of discovery and exploration by viewing our essays and supporting images.

2011 Technology Through Time Articles

Previous Year's Articles

What's Up?

Take a stroll through the cosmos with our new series of articles, "What's Up!". Each article will make a connection between our 'place in space' with mysteries found in the outer reaches of our known universe. To enhance your experience, we will include connections to additional activities, images and links.

2011 What's Up Articles

Previous Year's Articles

NASA Fact

The largest, single, challenge for astronauts traveling to Mars will be to overcome exposure to solar storms and radiation.