Nuclear Fusion

Terms in this set (9)

core
The central region of the sun, where nuclear fusion takes place
fusion
Creation of energy by joining the nuclei of two hydrogen atoms to form helium.
fission
A nuclear reaction in which a massive nucleus splits into smaller nuclei with the simultaneous release of energy.
s process
Many reactions in the final nuclear fusion phases of massive stars produce neutrons. These neutrons can be captured by atomic nuclei to produce heavier nuclei. Elements with atomic numbers between 24 and 56 are primarily produced this way. SLOW PROCESS neutron capture
r process
At the time of the catasrophic collapse of an iron core a flood of neutrons is released. This makes possible a rapid capture of neutrons by heavy nuclei, leading to the production of many unstable isotopes, and all elements up to atomic number 92 (uranium)
supernova
A gigantic explosion in which a massive star collapses and throws its outer layers into space
gravity
A force of attraction between objects that is due to their masses.
convection
Process by which, in a fluid being heated, the warmer part of the mass will rise and the cooler portions will sink.
electromagnetic radiation
a form of energy that exhibits wavelike behavior as it travels through space
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