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- Dark Matter | NASA Space Place – NASA Science for KidsWhat is dark matter? Dark matter is stuff in space that has gravity, but it is unlike anything scientists have ever seen before. Together, dark matter and dark energy make up 95% of the universe. That only leaves a small 5% for all the matter and energy we know and understand.
- Dark matter - WikipediaDark matter is a hypothetical form of matter thought to account for approximately 85% of the matter in the universe. [1] Dark matter is called "dark" because it does not appear to interact with the electromagnetic field, which means it does not absorb, reflect, or emit electromagnetic radiation and is, therefore, difficult to detect.
- Dark matter | Definition, Discovery, Distribution, & Factsdark 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 matter -energy composition of the universe; the rest is dark energy (69.4 percent) and “ordinary” visible matter (0.5 percent).
- Dark Energy, Dark Matter | Science Mission DirectorateWhat is dark energy? More is unknown than is known — we know how much there is, and we know some of its properties; other than that, dark energy is a mystery — but an important one. Roughly 70% of the Universe is made of dark energy. Dark matter makes up about 25%.
- What is dark matter? | SpaceBy Nola Taylor Tillman published 28 January 2022 Dark matter is the mysterious stuff that fills the universe but no one has ever seen. Dark matter is distributed in the universe in a net-like...
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