[单选题]
You are in a rocket traveling away from thi 2vsks)low-,yk4 -eke Sun at 0.9i.ri j5mm6 s;vcok;q,5c. You measure the speed of light from the Sun tom;.mo5 qsc6 jvkiri, ; be
A. 0.05c.
B. 0.95c.
C. 1.0c.
D. cannot be determined without knowing the frequency of the light
Post time 2024-1-14 16:03:04