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fusion (physics)

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Fusion (physics)


In physics, the fusing of the nuclei of light elements, such as hydrogen, into those of a heavier element, such as helium. The resultant loss in their combined mass is converted into energy. Stars and thermonuclear weapons are powered by nuclear fusion.

Nuclear fusion takes place in the Sun, where hydrogen nuclei fuse at temperatures of about 10 million°C/18 million°F producing huge amounts of heat and light energy.

© Research Machines plc 2008. All rights reserved. Helicon Publishing is a division of Research Machines plc.


 
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alpha particle
background radiation
beta particle
fission
fusion (physics)
gamma radiation
Geiger counter
Geiger–Müller tube
half-life
ionizing radiation
isotope
nucleus (physics)
radiation
radioactivity
radioisotope

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