What is the correct interpretation of a redshift larger than 1?
A) The object is moving faster than the speed of light.
B) The universe's scale factor universe has more than doubled in size since the light from that object was emitted.
C) The object has an extremely large peculiar velocity.
D) The light was shifted to longer wavelengths from gravitational radiation.
E) The rate of expansion of the universe is increasing.

Question

Quizplus · Accepted Answer

A redshift larger than 1 indicates that the universe's scale factor has more than doubled since the light was emitted, meaning the universe has expanded significantly during that time.

What Is the Correct Interpretation of a Redshift Larger Than