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Unformatted text preview: Sheet1 Page 1 Quiz 8 What is another name for an alpha particle? A helium nucleus See Section 21.4. How much energy is carried away from a supernova in the form of neutrinos compared to the energy a supernova emits in the Yes. Neutrinos carry typically 100 times more total energy away from a supernova than it emits in all forms of electromagnetic What is the most massive element that can be formed by fusion with a release of energy? Yes. Iron and heavier elements that are forced into a fusion reaction require an excess of energy. How was the supernova SN 1987A unusual? A. It is the only supernova for which the precursor star is known. B. It originated with a blue supergiant. C. Neutrinos from the explosion were observed on Earth. D. All of these are true. See Discovery 21-1 in your text. E. It was visible to the naked eye When does a supernova occur? At the end of the supergiant stage of a high-mass star Which of the following is the best description of the interior structure of a highly evolved high-mass star late in its lifetime but b...
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