Life Cycle of Stars - The Stages of a Star's Development

What are the stages of a star’s life? ,[object Object],[object Object],[object Object],[object Object]

What are the stages ? 1. Nebula 2a.Main Sequence 3a.Red Giant 4a.Planetary Nebula 5a. White Dwarf 6a.Black Dwarf 2b.Main Sequence 3b.Red Supergiant 4b.Supernova 5b.Neutron Star or 5b.Black Hole a: Low Mass Star b: High Mass Star

Compared to a Human Life Span Graphic Courtesy of: http://aspire.cosmic-ray.org/labs/star_life/starlife_main.html

What happens during the stages? ,[object Object],[object Object],[object Object]

Stage 2 –Main Sequence ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Stage 3a –Red Giant ,[object Object],[object Object],[object Object],[object Object]

4a –Planetary Nebula ,[object Object],[object Object],[object Object]

5a –White Dwarf ,[object Object],[object Object],[object Object]

6a –Black Dwarf ,[object Object],http://aspire.cosmic-ray.org/labs/star_life/hr_interactive.html -click on “Interactive Lab” graphic in the middle

Step 3b –Red Supergiant ,[object Object]

4b -Supernova ,[object Object],[object Object],[object Object],[object Object]

5b –Neutron Star ,[object Object],[object Object],[object Object],[object Object]

5b –Black Hole ,[object Object],[object Object],[object Object]

How do the sizes of the stars compare?

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Life Cycle of Stars - The Stages of a Star's Development

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