NUclear Fusion

Nuclear fusion is the reaction nuclei of two light nuclides are fused together to form a single heavies nucleus with the release of energy.

learn more here:

http://www.visionlearning.com/library/flash_viewer.php?oid=2747


Advantages of using nuclear fusion as a power source are;
i) Hydrogen isotopes used as fuel are cheap and easily available.
ii) Products of nuclear fusion are not radioactive and do not cause pollution.

http://www.astro.ubc.ca/~scharein/a311/Sim/fusion/Fusion.html

two suitable conditions in the sun that allows nuclear fusion to take place are:
i) high temperature, and
ii) high particle density.