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Which of the following are true of Type Ia supernovae? Which of the following are true of Type Ia supernovae? They have no hydrogen in

Which of the following are true of Type Ia supernovae? Which of the following are true of Type Ia supernovae? They have no hydrogen in their spectra Their energy is provided by explosive fusion of carbon and oxygen They are useful as distance indicators Most of their energy is released as neutrinos. Their progenitor stars are over 20 solar masses They arise from massive white dwarfs accreting material from a companion

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