Which statement below does NOT fit the model of the Big Bang and the subsequent changes in the universe?
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2 points
The universe was denser previously than it is now.
The universe was hotter previously than it is now.
The galaxies are moving closer together as time progresses.
The universe is continuing to expand, even after the Big Bang.
The galaxies are moving closer together as time progresses.
The statement that does NOT fit the model of the Big Bang and the subsequent changes in the universe is: "The galaxies are moving closer together as time progresses."
To determine which statement does not fit the model of the Big Bang and the subsequent changes in the universe, we need to review the key concepts of the Big Bang theory.
The Big Bang theory suggests that the universe began as a singularity of extremely high density and temperature, and has been expanding and cooling ever since. Based on this model, let's analyze each statement:
1. The universe was denser previously than it is now.
This statement aligns with the model of the Big Bang because it suggests that the universe was indeed denser in the past when it transitioned from a singularity to its current state of expansion.
2. The universe was hotter previously than it is now.
This statement also aligns with the Big Bang model because according to the theory, the universe was extremely hot in its initial stages and has been cooling down as it expands.
3. The galaxies are moving closer together as time progresses.
This statement is not consistent with the current understanding of the Big Bang theory. In fact, the opposite is true. The galaxies are observed to be moving away from each other due to the expansion of the universe. This principle is known as the Hubble's Law.
4. The universe is continuing to expand, even after the Big Bang.
This statement accurately reflects the model of the Big Bang theory. The universe is understood to be expanding continuously since the initial explosion of the Big Bang.
Therefore, the statement "The galaxies are moving closer together as time progresses" does NOT fit the model of the Big Bang and the subsequent changes in the universe.