Which provides evidence of universe expansion that supports the Big Bang Theory? Select the three correct answers.

The universe is undergoing a cycle of contraction and expansion. The universe is undergoing a cycle of contraction and expansion. Galaxies are moving away from each other. Galaxies are moving away from each other. The temperature of Cosmic Microwave Background radiation varies widely from one part of the universe to another. The temperature of Cosmic Microwave Background radiation varies widely from one part of the universe to another. An enormous amount of weak cosmic background radiation has been detected in the universe. An enormous amount of weak cosmic background radiation has been detected in the universe. The temperature of the universe is decreasing. The temperature of the universe is decreasing. The temperature of the universe is increasing.

1 answer

The correct answers are:
- Galaxies are moving away from each other.
- The temperature of Cosmic Microwave Background radiation varies widely from one part of the universe to another.
- An enormous amount of weak cosmic background radiation has been detected in the universe.