If dark matter did not exist it is likely that:

Question

Quizplus · Accepted Answer

Dark matter is believed to play a crucial role in the structure and evolution of the universe, including its rate of expansion. However, its existence or non-existence does not directly affect the brightness of the night sky, our ability to see the center of the universe, or the universe's eventual fate in terms of expansion or contraction. The expansion of the universe is primarily driven by dark energy, not dark matter.

If Dark Matter Did Not Exist It Is Likely That