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| Phân tích dị hướng CMB× | Hiệu ứng Sunyaev-Zel'dovich× | |
|---|---|---|
| Lĩnh vực | Thiên văn học | Thiên văn học |
| Họ | Process / pipeline | Process / pipeline |
| Năm ra đời≠ | 1965 | 1972 |
| Người khởi xướng≠ | Arno Penzias | Rashid Sunyaev |
| Loại≠ | Observational cosmological measurement | Observational detection technique |
| Công trình gốc≠ | Penzias, A. A., & Wilson, R. W. (1965). A measurement of excess antenna temperature at 4080 Mc/s. Astrophysical Journal, 142, 419-421. DOI ↗ | 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 ↗ |
| Tên gọi khác | CMB Power Spectrum, CMB Anisotropies, Microwave Background Analysis | SZ Effect, Inverse Compton Scattering, SZE |
| Liên quan | 3 | 3 |
| Tóm tắt≠ | 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. | 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. |
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