on July 6, 2015
If the conclusion states that supernovas don't always produce neutron stars. Then how does answer choice B, which is about a Neutron star detected far away from the 1987 supernova, strengthen the conclusion?
Shouldn't the correct answer choice offer evidence of a supernova happening without producing the effect of a Neuton star or something equivalent. I just don't understand how B can be the right answer.
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on July 7, 2015