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| Sunyaev-Zel'dovich Effekt× | Analyse af CMB-anisotropier× | |
|---|---|---|
| Fagområde | Astronomi | Astronomi |
| Familie | Process / pipeline | Process / pipeline |
| Oprindelsesår≠ | 1972 | 1965 |
| Ophavsperson≠ | Rashid Sunyaev | Arno Penzias |
| Type≠ | Observational detection technique | Observational cosmological measurement |
| Oprindelig kilde≠ | Sunyaev, R. A., & Zel'dovich, Y. B. (1972). The observations of the relic radiation as a test of the nature of X-ray radiation from clusters of galaxies. Comments on Astrophysics and Space Physics, 4(4), 173-178. link ↗ | Penzias, A. A., & Wilson, R. W. (1965). A measurement of excess antenna temperature at 4080 Mc/s. Astrophysical Journal, 142, 419-421. DOI ↗ |
| Aliasser | SZ Effect, Inverse Compton Scattering, SZE | CMB Power Spectrum, CMB Anisotropies, Microwave Background Analysis |
| Relaterede | 3 | 3 |
| Resumé≠ | The Sunyaev-Zel'dovich effect is a phenomenon in which the cosmic microwave background (CMB) is distorted as photons travel through hot gas in galaxy clusters. Proposed by Rashid Sunyaev and Yakov Zel'dovich in 1972, this effect provides a powerful method for detecting distant galaxy clusters and measuring fundamental cosmological parameters without distance assumptions. | The Cosmic Microwave Background is the ancient light from when the universe first became transparent, about 380,000 years after the Big Bang. Its tiny temperature variations (anisotropies) across the sky encode a wealth of information about the universe's composition, geometry, and history. First discovered by Arno Penzias and Robert Wilson in 1965, detailed measurements of CMB anisotropies have become the most powerful probe of cosmology. |
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