Watch the video titled "Anatomy of the Sun" (3 min 21 sec) under The Sun terms
section of the Science Corner. You can also view the video at http://www.pbs.org/wgbh/nova/labs/lab/sun/1/1/. Next, discuss
the main physical processes that occur in each layer of the sun. Then, analyze
the manner in which researchers use indirect methods to study these layers.