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- Dark matter works like an attractive force — a kind of cosmic cement that holds our universe together. This is because dark matter does interact with gravity, but it doesn’t reflect, absorb, or emit light. Meanwhile, dark energy is a repulsive force — a sort of anti-gravity — that drives the universe’s ever-accelerating expansion.
www.astronomy.com/science/whats-the-difference-between-dark-matter-and-dark-energy/
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Feb 5, 2024 · Some scientists think that dark energy could be a type of energy fluid or field that fills space, behaves in an opposite way to normal matter, and can vary in its amount and distribution throughout both time and space.
- Dark Matter & Dark Energy - Science@NASA
But there’s more to the universe than the matter we can see....
- Dark Matter & Dark Energy - Science@NASA
Scientists call these influences dark energy and dark matter. This graph shows a realistic example of how dark matter can cause outer regions of spiral galaxies to rotate faster than they would if they were only under the influence of gravity from visible matter.
Mar 30, 2024 · Dark matter and dark energy, making up most of the universe, are elusive forces that shape cosmic structure and expansion. Scientists worldwide, including at Argonne National Laboratory, are using advanced technology to unravel these mysteries.
Aug 28, 2006 · Dark energy and dark matter describe proposed solutions to as yet unresolved gravitational phenomena. So far as we know, the two are distinct.
But there’s more to the universe than the matter we can see. Dark matter and dark energy are mysterious substances that affect and shape the cosmos, and scientists are still trying to figure them out. Learn more.
Dark energy, meanwhile, is the name we give the mysterious influence driving the accelerated expansion of the universe. What these substances are and how they work are some of the major challenges facing modern astronomers.
Sep 5, 2024 · Dark energy is a theoretical form of energy that counteracts gravitational attraction and drives or “pushes” the universe’s accelerated expansion. On the other hand, dark matter exerts a...
