'Globular star clusters' presentation slideshows

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Galaxies and the Universe

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The Milky Way Galaxy

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Introduction to Astrophysics

Introduction to Astrophysics. Lecture 12: Nebulae. The hourglass nebula. Nebulae. Long ago is was recognised that not all objects in the sky are pointlike, as stars are. The fuzzy diffuse images became known as nebulae .

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The Milky Way Galaxy

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Evidence for a finite Universe

Evidence for a finite Universe. Stellar populations. Hertzsprung-Russell diagram. Clusters of stars. Stars can form in clusters. Perhaps most of them do, then get dispersed. Most stars in a cluster are approximately the same age. HR diagrams of clusters.

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