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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 · La energía como la luz, el calor y los rayos X, junto con la materia, las personas, los elefantes, el planeta Tierra, el sol y todas las galaxias son solo un 5% del universo. Eso no es mucho. La materia oscura y la energía oscura plantean algunos de los interrogantes más importantes en el estudio del espacio y la física.
Hace 1 día · 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.
Hace 1 día · Dark Matter News -- ScienceDaily. June 7, 2024. Top Headlines. Exotic Black Holes Could Be a Byproduct of Dark Matter. June 6, 2024 — In the first quintillionth of a second, the universe...
Hace 4 días · Francesca - The first hints at dark matter were really discovered by Zwicky in the 1930s, and he was looking at galaxy clusters. So these are massive structures. And at that time when Zwicky was working, most physicists assumed that the matter we can actually detect directly with our telescopes was all that was.
Hace 1 día · Astrometric Detection of Ultralight Dark Matter Jeff A. Dror ∗and Sarunas Verner † Institute for Fundamental Theory, Physics Department, University of Florida, Gainesville, FL 32611, USA (Dated: June 7, 2024) Ultralight dark matter induces time-dependent perturbations in the spacetime metric, enabling its gravitational direct detection.
Hace 4 días · Years of conflicting neutrino measurements have led physicists to propose a “dark sector” of invisible particles — one that could simultaneously explain dark matter, the puzzling expansion of the universe, and other mysteries.
