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Our Glaciers: Then and Now activity kit helps you see the changes taking place in glaciers around the world. See all our activity kits and classroom activities.

Sun's Web

These are links to other great web sites about Sun. But beware: you don't want to get caught in Sun's Web! Don't stay away from Windows to the Universe for long! Click for full size

Here Comes the Sun! A self-guided tutorial about the Sun.

Live from the Sun A great web site that takes you to the Sun and back!

SOHO The SOHO Mission Home Page

Solar Flare TheoryA NASA/Goddard Space Flight Center site devoted to solar flares

Stanford SOLAR Center This site is tons of fun! Includes an online solar telescope, the Sun song and a question and answer section.

The Sun: Man's Friend or Foe Learn the good and bad about the Sun.

Sun-Earth On-line Resources Content, classroom activities, games, real-time data and more...

The Virtual Sun Take a virtual tour of the Sun. Don't forget your sunglasses!

YOKHOH The YOKHOH mission home page.

Last modified April 30, 2001 by Jennifer Bergman.

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Cool It! is the new card game from the Union of Concerned Scientists that teaches kids about the choices we have when it comes to climate change—and how policy and technology decisions made today will matter. Cool It! is available in our online store.

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The Sun is not a quiet place, but one that exhibits sudden releases of energy. One of the most frequently observed events are solar flares: sudden, localized, transient increases in brightness that occur...more

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The visible solar atmosphere consists of three regions: the photosphere, the chromosphere, and the solar corona. Most of the visible (white) light comes from the photosphere, this is the part of the Sun...more

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To understand how our Sun works, it helps to imagine that the interior of the Sun is made up of different layers, one inside the other. The innermost layer, the solar core, is the region where the energy...more

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The Hydrogen Fusion Process

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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