Why is Supernova 1987A particularly important to astronomers?
A)It occurred only a few dozen light-years from Earth.
B)It provided the first evidence that supernovae really occur.
C)It provided the first evidence that neutron stars really exist.
D)It was the first supernova detected in nearly 400 years.
E)It was the nearest supernova detected in nearly 400 years.

Question

Quizplus · Accepted Answer

Supernova 1987A is particularly important to astronomers because it was the nearest supernova detected in nearly 400 years. This allowed astronomers to study the supernova in great detail, including its evolution and the formation of a neutron star.

Why Is Supernova 1987A Particularly Important to Astronomers