Which of the following statements about a Type II Supernova is true?
A) Type II supernovas happen when a white dwarf is overloaded with mass from a companion star
B) Type II supernovas occur in the Milky Way Galaxy just about every year. It's rare to have a year without one happening in the Galaxy.
C) A Type II supernova is so faint that we miss most of the ones that happen in our Galaxy
D) A Type II supernova occurs at the end of the life of a star with 10 times the mass of our Sun or more
E) A Type II supernova is a less powerful explosion than any other type; it can't make any of the elements heavier than iron
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