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Exploratour - Evolution of the Solar System, page 2 - Windows to the Universe

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The Winter 2010 issue of The Earth Scientist includes a variety of educational resources, ranging from astronomy to glaciers. Check out the other publications and classroom materials in our online store.

Exploratour - Evolution of the Solar System

The Orion Nebula
Click on image for full size
NASA

The Sun and planets began as just another molecular cloud in space, sort of like the one shown in this picture. Most likely the cloud was made primarily of hydrogen and helium gas, with some other molecules thrown in. Such a cloud is called a Nebula. "Nebulae" is a word that means more than one nebula. It is of such gas that new stars are made.

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ExploraTour - Looking at the World in a Different Light

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ExploraTour - Looking at the World in a Different Light

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ExploraTour - Looking at the World in a Different Light

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ExploraTour - Looking at the World in a Different Light

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ExploraTour - Looking at the World in a Different Light

This is a volcano on the island of Miyake in Japan. It has erupted, sending hot lava and ash into the air, a total of ten times. The time after one eruption until the next occurred was about twenty years...more

ExploraTour - Looking at the World in a Different Light

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ExploraTour - Looking at the World in a Different Light

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Windows to the Universe, a project of the National Earth Science Teachers Association, is sponsored in part by the National Science Foundation and NASA, our Founding Partners (the American Geophysical Union and American Geosciences Institute) as well as through Institutional, Contributing, and Affiliate Partners, individual memberships and generous donors. Thank you for your support! NASA AGU AGI NSF