Providing Solar On-Line Activity Resources for the joy of solar science exploration
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  Image Credits: SDO, SOHO (ESA,NASA)
   Recent news articles and press releases
Read the latest information about solar science, missions, and other recent developments from NASA, SOHO, and SDO:
Dark Matter Trapped in Center of the Sun? Jul. 21, 2010
Space Weather - an International Problem Jul. 16, 2010
A Puzzling Collapse of the Thermosphere  Jul. 15, 2010
South Pacific Solar Eclipse   Jul. 9, 2010
NASA Retires TRACE Spacecraft    Jul. 1, 2010
  More...
Featured Pages
global warming chart comparing temperature, CO2, and solar variability

Global climate change -- is it real? How much, if any, is being caused by the Sun? Who will be most affected by future problems caused by rising seas, growing deserts, and more frequent droughts? Visit our Global Warming section, which is frequently updated with new research links.

Earth from space and sunWould your high school like to monitor solar storms? High above us lies a desolate place where continual blasts of particles and energy from the Sun pound the top of Earth's atmosphere. This "ionized" region, where electrons and nuclei dart around freely, is a plasma we call the ionosphere. The ionosphere reacts strongly to the intense x-ray and ultraviolet radiation released by the Sun during a solar flare or solar storm. We can track these solar disturbances by monitoring changes to the Earth's ionosphere. The Solar Center has a project to place ionospheric monitors in high schools and community colleges around the world.

Check out Space Weather Monitors.  

Galileo Portrait In 1609, Galileo first pointed his homemade telescope toward the heavens. Over the next several years he would discover sunspots, the moons of Jupiter, the "seas" and craters on the Moon, and the phases of Venus, and in the words of Albert Einstein, he would become "the father of modern science". This page contains a short biography, links, and activities related to Galileo's discoveries.

Test Your Knowledge!
A sunspot group
What do you know about the Sun? Earth's fascinating star, our Sun, can teach us about many things, for example, about the formation of our Solar System, basic physics processes, or our space environment. Try some of our quizzes to learn more about the Sun:

More Interactive Features...

News and images of the July 22 2009 eclipse, general information about eclipses, and links to classroom activities


colors and motions of the sun
Watch the new streaming video Colors and Motions of the Sun.

You can also watch the movie Colors of the Sun.

Featured Links

Space Weather Center is a site designed especially for kids.

News and information about the Sun-Earth environment.

Last Updated: 7/28/10
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