• 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
  • 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 (10,646 words) - 19:30, 29 May 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 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) - 14:46, 28 May 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 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 (4,518 words) - 09:57, 22 May 2025
  • 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) - 20:25, 24 May 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
  • 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) - 15:30, 29 May 2025
  • 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. 639 (8056): 897–901...
    149 KB (9,131 words) - 05:23, 29 May 2025
  • Thumbnail for James Webb Space Telescope
    years cosmic time). Hubble is unable to see further back than very early reionization at about z≈11.1 (galaxy GN-z11, 400 million years cosmic time). The design...
    214 KB (19,940 words) - 05:40, 25 May 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 Physical cosmology
    measure the distribution of matter in the distant universe and to probe reionization include: The Lyman-alpha forest, which allows cosmologists to measure...
    77 KB (7,679 words) - 05:28, 2 April 2025
  • Thumbnail for Hubble Ultra-Deep Field
    an Ultra Deep Field as a way to study the objects responsible for the reionization of the Universe. Following the workshop, the STScI Director Steven Beckwith...
    20 KB (2,186 words) - 04:15, 20 May 2025
  • 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) - 10:50, 28 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 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 Multiverse
    Baryons Structure Shape of the universe Galaxy filament · Galaxy formation Large quasar group Large-scale structure Reionization · Structure formation...
    67 KB (7,461 words) - 22:37, 25 May 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 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 UNCOVER-z13
    the JWST Ultradeep NIRSpec and NIRCam Observations before the Epoch of Reionization (UNCOVER) project on November 14, 2023. UNCOVER-z13 is within Abell 2744...
    4 KB (370 words) - 12:40, 17 April 2025
  • Thumbnail for Baryogenesis
    Baryons Structure Shape of the universe Galaxy filament · Galaxy formation Large quasar group Large-scale structure Reionization · Structure formation...
    22 KB (2,827 words) - 15:51, 25 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 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 (3,543 words) - 09:55, 22 May 2025
  • 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 (675 words) - 23:10, 26 May 2025
  • Thumbnail for Lyman-alpha emitter
    in high redshift could be a key factor driving reionization. LAEs are important probes of reionization, cosmology (BAO), and they allow probing of the...
    16 KB (1,999 words) - 04:36, 19 May 2025
  • 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
  • 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 (1,349 words) - 23:32, 27 May 2025