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Chapter 14: The Lives and Deaths of Low-Mass Stars
The Mystery of the Blue Straggler Star
Blue strangler stars are young stars that exist in areas where most of their neighbors are much older.
Read the press release and view the Hubble images. Describe the two hypotheses that explain blue strangler stars. Which hypothesis does the newer data support?
Visit the Hubble Catches Up with a Blue Straggler Star web site
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Large and Very Large Star Evolution
When our Sun dies, it will expand into a red giant or super-giant and then collapse to form a white dwarf. Stars more massive than the Sun have a much more dramatic end. Visit this site to see the drama unfold (this will prelude the material covered in Chapter 15).
Read the tutorial and check all simulations in the "Beginner Page." Write a short summary on the differences in evolutionary paths and time scales involved as stars of different masses evolve.
Visit the Large Star Evolution web site
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