試題詳解

24. According to the passage, the discovery in GW190412 can be used to _____________.
(A) refute Albert Einstein’s general theory of relativity in a more precise way.
(B) measure the size of black holes existing in the Milky Way.
(C) help researchers to have better understanding about the spin in black holes.
(D) estimate how many black holes are in our solar system and how far they are.