One of the methods used to date supernova remnants (the remains of exploded stars) today is by using
A) the notebooks of Galileo.
B) the records of ancient Chinese, Japanese, and Korean astronomers.
C) the works of Ptolemy.
D) Kepler's laws.

Question

Quizplus · Accepted Answer

Ancient Chinese, Japanese, and Korean astronomers documented supernovae, providing historical records that help date supernova remnants.

One of the Methods Used to Date Supernova Remnants (The