Dark Matter & Dark Energy - NASA Science
Matter is defined as any substance that has mass and occupies space. But there’s more to the universe than the matter we can see. Dark matter and dark energy are mysterious substances …
What Is Dark Matter? | NASA Space Place – NASA Science for Kids
Nov 8, 2024 · Dark matter is that invisible glue that keeps stars, dust, and gas together in a galaxy. This mysterious substance makes up the majority of a galaxy's mass and forms the …
Dark matter | Definition, Discovery, Distribution, & Facts | Britannica
Nov 1, 2024 · dark matter, a component of the universe whose presence is discerned from its gravitational attraction rather than its luminosity. Dark matter makes up 30.1 percent of the …
Dark matter - Wikipedia
In astronomy, dark matter is a hypothetical form of matter that does not interact with light or other electromagnetic radiation. Dark matter is implied by gravitational effects which cannot be …
Dark Matter - NASA Science
Scientists are trying to determine what dark matter is made of, but our current understanding has many gaps. Roman will provide clarity by exploring the structure and distribution of both …
Dark matter - CERN
Dark matter seems to outweigh visible matter roughly six to one, making up about 27% of the universe. Here's a sobering fact: The matter we know and that makes up all stars and galaxies …
What is dark matter? - Live Science
Sep 22, 2020 · Dark matter is a mysterious non-luminous substance making up the vast majority of matter in the universe. Though experts have observed the gravitational effects of dark …
Dark Energy and Dark Matter | Center for Astrophysics | Harvard ...
Dark matter makes up most of the mass of galaxies and galaxy clusters, and is responsible for the way galaxies are organized on grand scales. Dark energy, meanwhile, is the name we give the …
Science Simplified: What Are Dark Matter and Dark Energy?
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 …
Shining a Light on Dark Matter - NASA Science
The invisible form of matter, called dark matter, makes up roughly 30% of the universe’s total mass. Its gravity drives normal matter (gas and dust) to collect and build up into stars, …