Two neutron stars orbit each other. Careful observations show that they are spiraling toward each other and thus losing energy from their orbit. How might people detect this energy?
A) neutrinos
B) gamma ray bursts
C) gravitational waves
D) Hawking radiation

Question

Quizplus · Accepted Answer

Gravitational waves are ripples in the fabric of spacetime caused by some of the most violent and energetic processes in the universe, such as two neutron stars spiraling toward each other. This phenomenon was predicted by Einstein's theory of general relativity and has been confirmed by observations, notably by the LIGO and Virgo collaborations.

Two Neutron Stars Orbit Each Other