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In 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.
6 de may. de 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.
What Is Dark Matter? | NASA Space Place – NASA Science for Kids. ¿Qué es la materia oscura? Esto te puede resultar sorprendente, pero no sabemos de qué está compuesta la mayor parte del universo. En serio, no lo sabemos. Seguramente estás pensando: “¡Pero, por supuesto que sabemos!
Actualmente, están en proceso varias búsquedas de materia oscura, como la Cryogenic Dark Matter Search en la Mina de Soudan y el experimento XENON en Gran Sasso. Otros están en desarrollo, como el experimento ArDM.
9 de may. de 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...
- Lisa Randall
- 2018
25 de may. de 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). Originally known as the ...
Dark 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 ...
