Although the entire universe may be much larger than our observable universe,we can see only within our observable universe.The "boundary" of our observable universe is called
A)the cosmological horizon.
B)the Big Bang.
C)the lookback time.
D)the singularity.

Question

Quizplus · Accepted Answer

The boundary of our observable universe is called the cosmological horizon, beyond which we cannot observe because light has not had enough time to reach us since the Big Bang.

Although the Entire Universe May Be Much Larger Than Our