It is possible for a galaxy to have an apparent recessional velocity greater than the speed of light.

Question

Quizplus · Accepted Answer

This is due to the expansion of the universe, as the space between galaxies itself is expanding. This does not violate the laws of relativity, as it is not actually the motion of the galaxy exceeding the speed of light, but rather the expansion of space between the observer and the galaxy. This is known as superluminal velocity or apparent faster-than-light motion.

It Is Possible for a Galaxy to Have an Apparent