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Our Sun is a star undergoing nuclear fusion in its core.

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Introduction to the Sun

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License: CC BY-NC 3.0


The sun may look tiny from us standing here on Earth, but it is, in fact, very large and only appears like so because it is so far away.

The sun is a star, a sphere of plasma held together by gravity, and is the center of our solar system. What is a solar system comprised of?

What influence does the sun have over the rest of the celestial bodies in the solar system?

How does the sun influence life on Earth?

How do we study the sun if it so removed from us?

For guidance answering the questions in this guide, look here.

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