How does the average stellar separation in a dense globular cluster core generally compare to that in the quiet suburbs of the Milky Way?
Answer
Cluster core separations can be much smaller, sometimes a fraction of the distance between the Sun and Neptune.
In the galactic plane, stars are separated by large distances (several light-years), but in a cluster core, stars can be packed so tightly that their separation approaches distances far smaller than that between the Sun and Neptune.
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