Epoch of Reionization 21-cm
The 21-centimeter line observation of neutral hydrogen is a powerful technique for studying the Epoch of Reionization, when the first stars and galaxies ionized the intergalactic medium about 13 billion years ago. Proposed by Scott and Rees in 1990, this method probes the universe's transition from the dark ages to the cosmic dawn through the characteristic hyperfine line emission of hydrogen.
Rekodi ya chanzo
Nukuu zimehamishwa kwa uhalisi kutoka kwa rekodi ya chanzo cha mbinu. Hakuna uthibitisho wa kiwango cha dai unaodokezwa kutoka kwao.
- Scott, D., & Rees, M. J. (1990). The 21-cm signature of the ionization of the intergalactic medium. Monthly Notices of the Royal Astronomical Society, 247, 510-516. · URL
- Furlanetto, S. R., Oh, S. P., & Briggs, F. H. (2006). Cosmology at low frequencies: the 21 cm transition and the high-redshift universe. Physics Reports, 433(4), 181-301. · DOI 10.1016/j.physrep.2006.08.002
- Bowman, J. D., Rogers, A. E., Monsalve, R. A., et al. (2018). An absorption profile centred at 78 megahertz in the sky-averaged spectrum. Nature Astronomy, 2(4), 301-306. · DOI 10.1038/nature25792
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