The relationship between dark matter and gravity is still an active area of research in astrophysics and cosmology. Dark matter is a hypothetical form of matter that does not interact with light or other forms of electromagnetic radiation, making it difficult to directly observe. Its existence is inferred from its gravitational effects on visible matter and the large-scale structure of the universe.
While dark matter is thought to contribute significantly to the overall mass of the universe, and therefore to the gravitational forces we observe, it is not currently understood as a direct cause of gravity itself. Instead, it is believed that dark matter interacts gravitationally in a manner similar to normal matter. The gravitational effects of dark matter, combined with the observed motions of stars and galaxies, suggest the presence of additional mass beyond what can be accounted for by visible matter alone.
However, the exact nature of dark matter and its precise relationship with gravity are still subjects of ongoing scientific investigation. Numerous experiments and observations are being conducted to try to directly detect dark matter or gain a deeper understanding of its properties. Various theoretical models propose different possibilities for the origin and behavior of dark matter, and scientists continue to explore these ideas to further our understanding of the universe.