The Messier Catalog. To be a full-fledged “Star” …. Need Core Nuclear Fusion !. “Failed Stars”… ( ) ( ). …are called “ Brown Dwarfs ”!. “Regions” of our Solar System…. (Zooming out…). Effects of Sun’s Heat. - PowerPoint PPT Presentation
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The Messier Catalog
To be a full-fledged “Star”… Need Core Nuclear Fusion!