[2026] PTE Academic Listening - Fill in the Blanks (Type In)

Dark matter remains one of the most mysteries in the field of modern astrophysics. Although it does not emit or reflect light, its presence is inferred through its influence on visible matter. Scientists estimate that this invisible substance constitutes approximately eighty-five percent of the total in the universe. Current theories suggest that dark matter plays a role in the formation and evolution of large-scale galactic structures. Researchers are conducting deep underground to detect interactions between dark matter particles and ordinary atoms. Solving this cosmic puzzle would fundamentally our understanding of the fundamental laws of physics.