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Star Life, Death, & Mass questions (Round 2)?
Please correct me where i'm wrong, or fill in the blank.
9. The sun will eventually become a "___ ___" in about 5 billion years when it will be a ball of "___"?
10. Once all the hydrogen is used up in a star, it will begin to fuse "___" in bursts of energy called "___"?
11. Some stars can fuse heavier elements until they reach the element "Iron", which is so stable it will not fuse. When this happens , the star releases energy in a spectacular burst called a "Super Nova".
12. If the inward pushing force in a star becomes so great that all the elctrons are pushed into the nucleus of their atoms, the star becomes a "Neutron Star."
13. All elements heavier than iron are produced in a "Black Hole".
14. The ultimate death for the largest stars is a region of very dense matter called a "Planetary Nebula."
15. This region of very compact matter captures anything (including light) that strays closer than its outer boundary known as the "____ ____." ?
9.
a) red giant
b) gas? hydrogen? Nothing that it isn't already, really...
10.
a) helium
b) no idea
11. This looks correct.
12. This is correct.
13. Wrong. The correct term is 'supernova'.
14. Wrong. The correct term is 'black hole'.
15. event horizon
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