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Hace 23 horas · 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 explained by general relativity unless more matter is present than can be observed.
Hace 5 días · Los científicos denominan a esta energía energía oscura. No sabemos mucho sobre la energía oscura, pero sí sabemos que hay muchísima. El 68% del universo, es decir, casi dos tercios, está compuesto de energía oscura. También hay cosas en el espacio exterior que tienen fuerza de gravedad.
Hace 3 días · 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).
Hace 3 días · Dark matter does have mass though, and mass creates gravity. This means dark matter can pull on or interact with regular matter and vice versa. Such interactions are rare, and gravity remains the ...
Hace 1 día · General relativity, also known as the general theory of relativity, and as Einstein's theory of gravity, is the geometric theory of gravitation published by Albert Einstein in 1915 and is the current description of gravitation in modern physics.General relativity generalizes special relativity and refines Newton's law of universal gravitation, providing a unified description of gravity as a ...
Hace 5 días · 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
Hace 5 días · Dark and regular matter clump around each other, but they don't collide and merge like interstellar clouds. But a new study suggests the two do interact, which could reveal subtle aspects of the mysterious stuff.
