Dark matter | Definition, Discovery, Distribution, & Facts
2024年12月18日 · 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 …
Dark matter - Wikipedia
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 …
How Vera Rubin confirmed dark matter - Astronomy Magazine
2016年10月4日 · Scientists now know that dark matter comprises some 84 percent of the universe’s material. Its invisible particles swarm and stream and slam through the whole …
History of Dark Matter: A Journey Through Time
The significance of dark matter gained momentum in the early 20th century when Swiss astronomer Fritz Zwicky measured the Coma Cluster‘s gravitational pull and put the first real …
Dark Energy and Dark Matter | Center for Astrophysics | Harvard ...
Dark matter pulls galaxies together, while dark energy pushes them apart. Astronomers measure the expansion of the universe using the explosions of white dwarfs , called type Ia supernovas, …
A history of dark matter - Ars Technica
2017年2月3日 · Lord Kelvin, a Scots-Irish physicist, was one of the first scientists who attempted to estimate the number of dark bodies in the Milky Way galaxy. He used estimates drawn from …
Dark matter - CERN
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 seems to outweigh visible matter roughly …
Dark Matter - Science@NASA
Scientists 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 …
Vera Rubin: The Astronomer Who Brought Dark Matter to Light
2019年6月11日 · Rubin's decades of discoveries revealed there was much more to the universe than meets the eye. The cosmos was chock-full of dark matter. Swiss astronomer, Fritz …
History of dark matter | Rev. Mod. Phys. - Physical Review Link …
2018年10月15日 · A broad perspective of how dark matter was postulated and became accepted is presented, from prehistory, over observations of galaxy clusters, galaxy rotation curves, the …