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5. Mai 2024 · Originally known as the “missing mass,” dark matter’s existence was first inferred by Swiss American astronomer Fritz Zwicky, who in 1933 discovered that the mass of all the stars in the Coma cluster of galaxies provided only about 1 percent of the mass needed to keep the galaxies from escaping the cluster’s gravitational pull.
- Adam Riess
- Dark matter is 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 m...
- Dark matter’s existence was first inferred by Swiss American astronomer Fritz Zwicky, who in 1933 discovered that the mass of all the stars in the...
- Two varieties of dark matter have been found to exist. The first variety is about 4.5 percent of the universe and made of the familiar baryons (i.e...
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.
3. Feb. 2017 · Learn how the idea of dark matter evolved from 19th century astronomers to modern particle physicists. Explore the evidence, theories, and challenges of finding the elusive substance that makes up most of the universe.
9. Mai 2018 · Physicists and astronomers have determined that most of the material in the universe is “dark matter”—whose existence we infer from its gravitational effects but not through electromagnetic...
- Lisa Randall
- 2018
15. Okt. 2018 · Although dark matter is a central element of modern cosmology, the history of how it became accepted as part of the dominant paradigm is often ignored or condensed into an anecdotal account focused around the work of a few pioneering scientists.
- Gianfranco Bertone, Dan Hooper
- 2018
2. März 2017 · The history of the dark matter problem can be traced back to at least the 1930s, but it was not until the early 1970s that the issue of ‘missing matter’ was widely recognized as problematic. In...
1. Juli 2021 · Dark matter particles originate from the very early Universe, they have been in interaction with the thermal bath before decoupling from it, they have then decayed or annihilated and we observe today the particles which have survived until now, the relics.
