• Thumbnail for Reionization
    Detecting and studying the reionization process is challenging but multiple avenues have been pursued. This reionization was driven by the formation...
    52 KB (6,027 words) - 18:04, 10 April 2025
  • reionization was not uniformly spread through the IGM. Simulations have shown that low-mass galaxies could have initially contributed to reionization...
    10 KB (1,224 words) - 15:55, 19 April 2025
  • Thumbnail for Timeline of the universe
    ordinary matter particles fall into the structures created by dark matter. Reionization begins: smaller (stars) and larger non-linear structures (quasars) begin...
    17 KB (2,026 words) - 12:56, 30 April 2025
  • Thumbnail for Chronology of the universe
    Despite being reionized, the universe remained largely transparent during reionization due how sparse the intergalactic medium was. Reionization gradually...
    110 KB (10,563 words) - 01:26, 21 May 2025
  • Thumbnail for Quasar
    mechanism for reionization to occur as galaxies form. Despite this, current theories suggest that quasars were not the primary source of reionization; the primary...
    64 KB (7,804 words) - 22:17, 9 May 2025
  • background at the end of the Dark Ages and the beginning of the epoch of reionization. It is named for Siegfried Adolf Wouthuysen and George B. Field. The...
    7 KB (878 words) - 16:50, 12 November 2024
  • Thumbnail for Alan Duffy (astronomer)
    "Dark-ages reionization and galaxy formation simulation – II. Spin and concentration parameters for dark matter haloes during the epoch of reionization". Monthly...
    40 KB (3,934 words) - 08:44, 28 February 2025
  • Thumbnail for Experiment to Detect the Global EoR Signature
    Observatory, with infrastructure provided by CSIRO. EoR stands for epoch of reionization, a time in cosmic history when neutral atomic hydrogen gas became ionised...
    8 KB (855 words) - 14:17, 21 April 2025
  • sufficient ultraviolet photons to reionize the vast majority of hydrogen atoms in the universe. This reionization epoch signifies the IGM’s transition...
    11 KB (1,210 words) - 15:23, 23 March 2024
  • Thumbnail for Hydrogen line
    from recombination (when stable hydrogen atoms first formed) to the reionization epoch. After including the redshift range for this period, this line...
    31 KB (3,542 words) - 11:20, 9 May 2025
  • statistical detection of the 21 cm reionization signal. Given the stringent dynamic range requirements for detecting reionization in the face of foregrounds that...
    5 KB (717 words) - 07:28, 4 April 2025
  • Thumbnail for Hydrogen Epoch of Reionization Array
    Epoch of Reionization Array (HERA) is a radio telescope dedicated to observing large scale structure during and prior to the epoch of reionization. HERA...
    14 KB (1,202 words) - 02:34, 8 September 2024
  • Thumbnail for Donald C. Backer
    discovery of the first millisecond pulsar), black holes, and the epoch of reionization. Backer was born in Plainfield, New Jersey. He attended Cornell University...
    8 KB (684 words) - 06:12, 23 September 2024
  • of the Sun. Due to its age, it is likely among the first stars from reionization (the stellar dawn), ending the Dark Ages about 370,000 years after the...
    2 KB (266 words) - 21:59, 15 April 2025
  • study cosmological reionization and the preceding Dark Ages. Others include the Precision Array for Probing the Epoch of Reionization (PAPER), Low Frequency...
    2 KB (207 words) - 16:21, 31 October 2024
  • Thumbnail for Low-Frequency Array
    Universe (6 < z < 10), LOFAR can search for the signature produced by the reionization of neutral hydrogen. This crucial phase change is predicted to occur...
    34 KB (3,749 words) - 17:25, 26 March 2025
  • Thumbnail for Square Kilometre Array
    facilities were already operating: MeerKAT and the Hydrogen Epoch of Reionization Array (HERA) in South Africa, the Australian SKA Pathfinder (ASKAP) and...
    72 KB (6,913 words) - 05:59, 11 May 2025
  • Meiksin & Rees propose intensity mapping as a way of probing the Epoch of Reionization. Dec 2001: Bharadwaj & Sethi propose using intensity maps of neutral...
    13 KB (1,451 words) - 08:28, 11 May 2025
  • timing argument. Hedgehog’s mass is close to the upper limit, where reionization can effectively quench star formation. Recent simulations demonstrate...
    3 KB (344 words) - 04:31, 19 April 2025
  • Thumbnail for Wilkinson Microwave Anisotropy Probe
    determined the times of important universal events, including the redshift of reionization, 17±4; the redshift of decoupling, 1089±1 (and the universe's age at...
    50 KB (4,509 words) - 04:38, 28 July 2024
  • about 13.8 billion years. Some of these are among the first stars from reionization (the stellar dawn), ending the Dark Ages about 370,000 years after the...
    8 KB (624 words) - 05:46, 30 April 2025
  • Thumbnail for Murchison Widefield Array
    detect neutral atomic Hydrogen emission from the cosmological Epoch of Reionization (EoR), to study the Sun, the heliosphere, the Earth's ionosphere, and...
    16 KB (2,098 words) - 03:38, 26 April 2025
  • Thumbnail for UNCOVER-BD-1
    UNCOVER (Ultradeep NIRSpec and NIRCam ObserVations before the Epoch of Reionization), which targets the galaxy cluster Abell 2744 and is primarily used to...
    6 KB (503 words) - 14:29, 20 October 2024
  • Thumbnail for List of the most distant astronomical objects
    3847/2041-8213/acfe07. ISSN 2041-8205. Wistok, Joris (2025). "Witnessing the onset of reionization through Lyman-α emission at redshift 13". Nature. Retrieved 2025-04-04...
    148 KB (9,016 words) - 08:13, 21 May 2025
  • Thumbnail for Stellar population
    blue galaxies. These stars likely triggered the universe's period of reionization, a major phase transition of the hydrogen gas composing most of the interstellar...
    35 KB (3,541 words) - 02:35, 8 March 2025
  • Thumbnail for Steady-state model
    Baryons Structure Shape of the universe Galaxy filament · Galaxy formation Large quasar group Large-scale structure Reionization · Structure formation...
    16 KB (1,819 words) - 15:25, 25 March 2025
  • Thumbnail for Katie Mack (astrophysicist)
    academic research investigates dark matter, vacuum decay, and the Epoch of Reionization. Mack is also a popular science communicator who participates in social...
    24 KB (2,039 words) - 16:34, 10 May 2025
  • Thumbnail for Tololo 1247-232
    process known as reionization which is believed to have occurred within the first 10% of the age of the universe. The cosmic reionization is, after recombination...
    9 KB (1,063 words) - 20:03, 1 February 2025
  • Thumbnail for Haro 11
    say within the first 10% of the age of the Universe. Reionization, or The Epoch of Reionization (EofR), is the period during which the gas in the early...
    12 KB (1,262 words) - 01:47, 8 November 2024
  • Thumbnail for SPHEREx
    SPHEREx (Spectro-Photometer for the History of the Universe, Epoch of Reionization, and Ices Explorer) is a near-infrared space observatory that will perform...
    16 KB (1,350 words) - 18:05, 3 May 2025