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Games, blogs, science history, myths, solar system, the universe - this site provides an amazing number of exemplary resources.

Windows to the Universe is a user-friendly learning system covering the Earth and Space sciences for use by the general public. The site includes a rich array of documents, including images, movies, animations, and data sets, that explore the Earth and Space sciences and the historical and cultural ties between science, exploration, and the human experience. The site is written in three reading levels approximating elementary, middle school and high school reading levels. These levels may be chosen by using the upper button bar of each page of the main site. A Spanish version of the site is available.

This article from the Beyond Penguins and Polar Bears online magazine answers the questions what kinds of energy comes from the sun, how does it travel through space, and what happens when it reaches earth.

Did you know that the sun blasts more than a billion tons of matter out into space at millions of kilometers per hour? Ultimately, energy from the sun is the driving force behind weather and climate, and life on earth. But what kinds of energy come from the sun? How does that energy travel through space? And what happens when it reaches earth?