What Are the Most Prominent Dark Matter Manifestation Success Stories?

Answer 1

The most prominent one might be related to galaxy rotation curves. The fact that stars in galaxies move at speeds that don't match what we'd expect from visible matter alone was a huge discovery. This led to the realization that dark matter must be present to account for the gravitational forces at play. Another is the Bullet Cluster. When two galaxy clusters collided, the way the gravitational lensing and the distribution of mass were observed suggested that there was a significant amount of dark matter. It showed that dark matter behaves differently from normal matter during such collisions. Finally, the Planck satellite's data on the cosmic microwave background has given us great insights into the role of dark matter in the early universe's structure formation.

Answer 2

One important success story is the way dark matter helps in explaining the large - scale structure of the universe. Cosmologists have models that show how matter should be distributed in the universe based on the Big Bang theory. However, without dark matter, these models don't work. The fact that adding dark matter to the equations makes the models match observations of the distribution of galaxies and galaxy clusters is a major success. It shows that dark matter has a real and important role in the manifestation of the universe as we see it today. This has led to further research into the nature of dark matter, such as its possible interactions with other particles and fields.