The Composition of the Sun
A girl asks a question about the sun

The information in this video was accurate as of the original publication date.

Audience: Educators and Students
Grades: 5-8
Year: 2002


This NASA video segment explains how the sun's energy is produced. Viewers learn that nuclear fusion occurring in the sun's core gives off energy that takes 100,000 years to travel to the sun's surface.

The Composition of the Sun
Duration: 1 minute 28 seconds
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> View Windows Media [11.42MB]
> View Real Player [3.88MB]


This video clip is part of the NASA CONNECT™: Data Analysis and Measurement: Having a Solar Blast! DVD that may be ordered from the Central Operation of Resources for Educators, or CORE  →.

Other video learning clips in this series:
Understanding Sunspots and Solar Flares
The Scientific Importance of Studying Solar Flares
Hands-on Solar Flare Activity