Dark matter

a timeline of the universe's evolution, with two curved, transparent tubes showing the expansion of space over time. The upper tube illustrates the early universe, starting with quantum fluctuations and inflation, followed by the Big Bang expansion and the formation of the first stars. The lower tube continues the timeline, showing the Dark Ages, the development of galaxies and planets, and the current era of dark energy-driven accelerated expansion. The camera slowly zooms out and pans across the diagram, revealing the full scope of cosmic history from the Big Bang to the p