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                                 Abstract:Gravitational instability of the distribution of stars in a galaxy is a well-known phenomenon in astrophysics. This work is a preliminary attempt to analyze this phenomenon using the standard tools developed in accelerator physics. By applying this analysis, it is found that a stable nonrotating galaxy would become unstable if its size exceeds a certain limit that depends on its mass density.
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                        References
	
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							1990, 14(9): 835-841. |  
				| [3] | WU SHI-SHU
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							1979, 3(4): 469-483. |  
 
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