Hubble yields direct proof of stellar sorting in a globular cluster

Imagine trying to understand how a football game works based on just a few fuzzy snapshots of the game in play. This is the just the kind of challenge faced by astronomers trying to understand the dynamics of the swarm of stars in the globular star clusters that orbit our Milky Way Galaxy.

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<p><a href="http://www.physorg.com/news80910864.html">Hubble yields direct proof of stellar sorting in a globular cluster</a></p> <p>Imagine trying to understand how a football game works based on just a few fuzzy snapshots of the game in play. This is the just the kind of challenge faced by astronomers trying to understand the dynamics of the swarm of stars in the globular star clusters that orbit our Milky Way Galaxy.</p>