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Which provides evidence of universe expansion that supports the Big Bang Theory? Select the three correct answers. (2 points)
An enormous amount of weak background radiation has been detected in the universe.
The temperature of the universe is decreasing.
The temperature of Cosmic Microwave Background radiation varies widely from one part of the universe to another
Galaxies are moving away from each other.
The universe is undergoing a cycle of contraction and expansion
The temperature of the universe is increasing.


Sagot :

The Big Bang Theory is a theory that describes the origin of the Universe. This theory was first proposed by the Belgian cosmologist G. Lemaitre in 1931.

  • The evidence of universe expansion that supports the Big Bang Theory is the observation that the temperature of the universe is decreasing.

  • According to this theory, the Universe is continuously expanding as it becomes cooler.

The most important lines of evidence that support the Big Bang Theory include:

  1. The observed expansion of the space in the Universe.
  2. The discovery of the cosmic microwave background radiation (CMB) is believed to be leftover radiation from the Big Bang.

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