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Explore a suite of stellar evolutionary models including a simple solar model, HR diagrams of stars in the Solar Neighborhood using Hipparchos data, the open cluster Pleiades (Age ~110 Myr), and the globular cluster M55 (Age ~14 Gyr). Compare cluster HR diagrams for a deeper understanding of stellar evolution.
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Suite of Stellar Evolutionary Models Simple solar model
HR Diagram of stars in Solar Neighborhood (from Hipparchos data)
Open cluster Pleiades (Age ~ 110 Myr)_ Globular cluster M55 (Age ~ 14 Gyr) Cluster HR diagrams