Video encyclopedia



The Sun | Educational Video for Kids.


THE SUN IS ALSO A STAR - Official Trailer


Sun Facts for Kids/Sun Song for Kids


Is The Sun Special Compared To Other Stars?


The Biggest Stars in the Universe HD

The Sun is the star at the center of the Solar System. It is a nearly perfect sphere of hot plasma, with internal convective motion that generates a magnetic field via a dynamo process. It is by far the most important source of energy for life on Earth. Its diameter is about 1.39 million kilometers, or 109 times that of Earth, and its mass is about 330,000 times that of Earth. It accounts for about 99.86% of the total mass of the Solar System. Roughly three quarters of the Sun's mass consists of hydrogen (~73%); the rest is mostly helium (~25%), with much smaller quantities of heavier elements, including oxygen, carbon, neon, and iron.
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  • Name and etymology 

  • General characteristics 

  • Sunlight 

  • Composition 

  • Structure and fusion 

  • Magnetic activity 

  • Life phases 

  • Motion and location 

  • Theoretical problems 

  • Observational history 

  • Observation and effects 

  • Planetary system 

  • Religious aspects