Supernova SN 1987A in the Large Magellanic Cloud Differed from Most

question 337

Multiple Choice

Supernova SN 1987A in the Large Magellanic Cloud differed from most other Type II supernovae in being considerably fainter.Explain.

• A) The star that exploded was much smaller than a normal Type II supernova.
• B) The star was surrounded by interstellar gas and dust that partially hid it from view from Earth.
• C) The star contained considerably more heavy elements than most Type II supernovae, and these elements are believed to have absorbed many of the neutrinos produced in the core collapse.
• D) The star that exploded was considerably cooler than a normal Type II supernova.

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