Planetary Nebulae formation and classification

Original Title:

    Planetary Nebulae formation and classification

        Keywords:

        Planetary Nebula stars stellar evolution emission line spectra

        Description:

          During this scenario, students will learn about the different shapes of Planetary Nebulae, about the Vorontsov - Velyaminov PN classification system and get acquainted with making and studying astronomical observations.
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                  The license of the work Planetary Nebulae formation and classification by Vagelis.Tsamis
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