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| physical phenomena > process > physical process > motion > mass motion > contraction > Kelvin contraction | 
| Kelvin contraction (Kelvin-Helmholtz contraction)  | ||||
| subject | fact | |||
| Kelvin contraction | has synonym Kelvin-Helmholtz contraction | ![]()  | 
| has definition The contraction of a star contemplated by Kelvin and Helmholtz as a consequence of a star's radiating its thermal energy. It is currently believed that the contraction of a star occurs in this manner in its pre-main-sequence evolution. | ![]()  | |
| is a kind of contraction | ![]()  | |
| physical process | has domain physics | ![]()  |