Essay on Dark matter and dark energy

The Hidden Pillars of the Universe

When we look up at the night sky, we see a vast expanse of stars, planets, and glowing nebulae. However, these visible objects make up only a tiny fraction of the cosmos. Scientists have discovered that roughly 95 percent of the universe is composed of substances we cannot see or touch. This mysterious cosmic environment is shaped by two invisible forces: dark matter and dark energy. While they share a name, they serve very different roles in the history and structure of the universe. Understanding these phenomena is essential because they dictate how the universe began, how it grows, and how it might eventually end.

The Invisible Glue of Galaxies