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1. Dark matter - Wikipedia
Link: https://en.wikipedia.org:443/wiki/Dark_matter
Description: 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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2. Dark matter | Definition, Discovery, Distribution, & Facts
Link: https://www.britannica.com:443/science/dark-matter
Description: 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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3. What Is Dark Matter? | NASA Space Place – NASA Science for Kids
Link: https://spaceplace.nasa.gov:443/dark-matter/en/
Description: WEBApr 11, 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 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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4. What is dark matter? | Space
Link: https://www.space.com:443/20930-dark-matter.html
Description: 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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5. Dark matter | CERN
Link: https://home.cern:443/science/physics/dark-matter
Description: 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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6. What Is Dark Matter? - Nature
Link: https://www.nature.com:443/articles/d41586-018-05096-y
Description: 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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7. Dark Matter & Dark Energy - Science@NASA
Link: https://science.nasa.gov:443/universe/dark-matter-dark-energy/
Description: 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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8. Dark Matter and Dark Energy | National Geographic
Link: https://www.nationalgeographic.com:443/science/article/dark-matter
Description: WEBOne leading hypothesis is that dark matter consists of exotic particles that don't interact with normal matter or light but that still exert a gravitational pull. Several scientific groups,...
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9. What Is Dark Matter? - Science Notes and Projects
Link: https://sciencenotes.org:443/what-is-dark-matter/
Description: 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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10. Shining a Light on Dark Matter - Science@NASA
Link: https://science.nasa.gov:443/mission/hubble/science/science-highlights/shining-a-light-on-dark-matter/
Description: WEBThe 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, galaxies, and massive galaxy clusters.
