Why Don't All Supernova Remnants Contain Pulsars

question 47

Multiple Choice

Why don't all supernova remnants contain pulsars?

• A) All supernova remnants do contain pulsars.
• B) Some supernova explosions form white dwarfs instead of the neutron stars necessary for pulsars.
• C) Pulsars slow down and quit producing the pulses before the supernova remnant dissipates.
• D) The pulsar may be tipped so that the beams do not sweep past Earth.
• E) b and c above.

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