The Universe - Life and Death of Stars.docx - AST 1101: The...

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AST 1101: The Universe: Life and Death of Stars – Video Worksheet1. How many stars does the Milky Way galaxy contain?2. What star forming nebula is located just 7,000 lights from earth?3.What element is the key component of stars?4. What force is most important in the process of star formation?5. What is the source of a star’s energy?6.All stars of the main sequence are alike.a. Trueb. False
7. What color would the sun be if it were much larger and hotter?8.Red dwarfs are the most common type of star.
9.What property is fundamental to the life history of a star?10. Why is it that less massive stars live longer than those with larger masses?11. Every low mass star born since the beginning of the Universe is still alive.
12. How long has the Sun been burning through its hydrogen fuel?13. How many years until the Sun leaves the main sequence phase?14. At the end of a stars life helium fuses into what heavier element?16. What type of nebula is formed at the end of a star’s life?17. What stellar remnant will remain once the Sun had died?18.How much would a single teaspoon of a white dwarf weigh on the Earth?

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Term
Spring
Professor
BrianP.McLaughlan
Tags
Supernova, White dwarf

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