The supernova event of 1987

Answer choices

1. A

   Weaken7% picked this

   Most supernova remnants that astronomers have detected have a neutron

   This makes it more likely that supernova produce neutron stars.

   7%
2. B

   Correct65% picked this

   Sensitive astronomical instruments have detected neutron stars much farther away than the location of

   Why this is right

   This defends the argument from the possibility that the instruments are not strong enough to detect the neutron star.

   Skill tested: Strengthen · how this choice captures the argument's function is the move to repeat next time.

   65%
3. C

   Out of Scope6% picked this

   The supernova of 1987 was the first that scientists were able to

   Whether the supernova event of 1987 was the first, second, or last that scientists were able to observe is not relevant to the argument.

   6%
4. D

   Weaken5% picked this

   Several important features of the 1987 supernova are correctly predicted by

   This defends the current theory against the argument’s attack.

   5%
5. E

   Too Weak17% picked this

   Some neutron stars are known to have come into existence by a cause other than

   This is consistent with the possibility that some neutron stars came into existence by a supernova explosion.

   17%