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Dark matter - Wikipedia
https://en.wikipedia.org/wiki/Dark_matter
WebIn astronomy, dark matter is a hypothetical form of matter that appears not to interact with light or the electromagnetic field. Dark matter is implied by gravitational effects which cannot be explained by general relativity unless more matter is present than can be seen.
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Dark matter | Definition, Discovery, Distribution, & Facts
https://www.britannica.com/science/dark-matter
WebApr 11, 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 matter-energy composition of the universe; the rest is dark energy (69.4 percent) and “ordinary” visible matter (0.5 percent).
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What Is Dark Matter? | NASA Space Place – NASA Science for Kids
https://spaceplace.nasa.gov/dark-matter/en/
Web6 days ago · 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 foundation of our Universe's structure. Dark matter is still one of the greatest mysteries of science. Credit: NASA/JPL-Caltech.
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What is dark matter? | Space
https://www.space.com/20930-dark-matter.html
WebJan 28, 2022 · By Nola Taylor Tillman. Contributions from. Tereza Pultarova. last updated 1 August 2023. Dark matter is the mysterious stuff that fills the universe but no one has ever seen. Roughly 80% of...
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Dark matter | CERN
https://home.cern/science/physics/dark-matter
WebDark matter. Unlike normal matter, dark matter does not interact with the electromagnetic force. This means it does not absorb, reflect or emit light, making it extremely hard to spot. In fact, researchers have been able to infer the existence of dark matter only from the gravitational effect it seems to have on visible matter. Dark matter ...
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Dark Matter & Dark Energy - NASA Science
https://science.nasa.gov/universe/dark-matter-dark-energy/
WebMatter 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 that affect and shape the cosmos, and scientists are still trying to figure them out. Learn more.
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What Is Dark Matter? - Nature
https://www.nature.com/articles/d41586-018-05096-y
WebMay 9, 2018 · Lisa Randall. Illustration by Chris Gash. Physicists and astronomers have determined that most of the material in the universe is “dark matter”—whose existence we infer from its gravitational...
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What Is Dark Matter? - Science Notes and Projects
https://sciencenotes.org/what-is-dark-matter/
WebJun 21, 2023 · Dark matter is a hypothetical form of matter that does not absorb, reflect, or emit electromagnetic radiation. This makes it incredibly challenging to detect directly with current technology. It’s “dark” not because it’s black or absence of light but because it does not interact with light or any other form of electromagnetic radiation.
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Dark Matter - NASA Science
https://science.nasa.gov/mission/roman-space-telescope/dark-matter/
WebScientists first suspected dark matter’s existence over 80 years ago when Swiss-American astronomer Fritz Zwicky observed that galaxies in the Coma cluster were moving so quickly they should have been flung away into space – yet they remained gravitationally bound to the cluster by unseen matter.
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Dark Matter 101: Looking for the Missing Mass - NASA Science
https://science.nasa.gov/universe/dark-matter-101-looking-for-the-missing-mass/
WebEvery image only shows ordinary matter (scientists sometimes call it baryonic matter), which is stuff made from protons, neutrons, and electrons. […]
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