পদ্ধতির তুলনা করুন
নির্বাচিত পদ্ধতিগুলো পাশাপাশি পর্যালোচনা করুন; যে সারিগুলোয় পার্থক্য আছে সেগুলো চিহ্নিত করা হয়।
| সূনিয়ায়েভ-জেলদোভিচ এফেক্ট× | দুর্বল মহাকর্ষীয় লেন্সিং× | |
|---|---|---|
| ক্ষেত্র | জ্যোতির্বিজ্ঞান | জ্যোতির্বিজ্ঞান |
| পরিবার | Process / pipeline | Process / pipeline |
| উদ্ভবের বছর≠ | 1972 | 1992 |
| প্রবর্তক≠ | Rashid Sunyaev | Nick Kaiser |
| ধরন≠ | Observational detection technique | Observational measurement method |
| মৌলিক উৎস≠ | 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 ↗ | Kaiser, N. (1992). Weak gravitational lensing of distant galaxies. Astrophysical Journal, 388, 272-286. DOI ↗ |
| অপর নাম | SZ Effect, Inverse Compton Scattering, SZE | Weak Lensing, Cosmic Shear, Lensing Distortion |
| সম্পর্কিত | 3 | 3 |
| সারসংক্ষেপ≠ | 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. | Weak gravitational lensing occurs when light from distant sources bends slightly as it travels through the universe, passing through the gravitational fields of matter concentrations. Proposed theoretically by Nick Kaiser in 1992, this subtle effect has become one of the most powerful cosmological probes, directly revealing the distribution of all matter (dark and luminous) across cosmic distances. |
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