TeachEngineering
Teach Engineering: Blazing Gas
Students are introduced to our Sun as they explore its composition, what is happening inside it, its relationship to our planet (our energy source), and the ways engineers help us learn about it.
University Corporation for Atmospheric Research
Ucar: The Photosphere: The "Surface" of the Sun
The photosphere is the visible "surface" of the Sun. View pictures and read a description of the photosphere in this article.