Galaxies with redshifts greater than 1 ________ moving greater than the speed of light due to ________.
A) appear to be; cosmological redshift
B) appear to be; hydrogen absorption
C) appear to be; gravitational redshift
D) are actually; leftover inertia from the Big Bang
E) are actually; a poorly understood repulsive force

Question

Quizplus · Accepted Answer

Galaxies with redshifts greater than 1 appear to be moving away faster than the speed of light due to the cosmological redshift, which is a result of the expansion of the universe. This does not violate the laws of physics because it is space itself that is expanding.

Galaxies with Redshifts Greater Than 1 ________ Moving Greater Than