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Author Question: What produces a type-I supernova? A) the collapse of the core of a massive star B) the helium ... (Read 29 times)

rmenurse

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on: Jul 27, 2018
What produces a type-I supernova?
 
  A) the collapse of the core of a massive star
  B) the helium flash blows apart a giant's core
  C) mass transfer onto a white dwarf pushing it over 1.4 solar masses
  D) a nova igniting a helium flash in its red giant companion
  E) the radioactive decay of nickel 56 into cobalt 56 into iron 56

Question 2

If a star were moved 10 times farther away, its absolute magnitude would drop five magnitudes.
 
  Indicate whether the statement is true or false


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234sdffa

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Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

FALSE


rmenurse

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Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

ryhom

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Reply 3 on: Yesterday
Excellent

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