The end point of the collapse and relaxation of a protogalaxy is a dark matter halo, inside of which the baryonic gas is in hydrostatic equilibrium at a temperature of typically a few million degrees.
原星系塌缩与松弛的最终点就是黑暗物质晕，里面有处于流体静力平衡的重子气体，一
约数
万。
The end point of the collapse and relaxation of a protogalaxy is a dark matter halo, inside of which the baryonic gas is in hydrostatic equilibrium at a temperature of typically a few million degrees.
原星系塌缩与松弛的最终点就是黑暗物质晕，里面有处于流体静力平衡的重子气体，一约数万。
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