In the fields of Big Bang theory and cosmology, reionization is the process that caused electrically neutral atoms in the primordial universe to reionize after the lapse of the "dark ages". Detecting
Phases of the reionization
Schematic timeline of the universe, depicting reionization's place in cosmic history.
Astronomers hope to use observations such as this 2018 Hubble Space Telescope image to answer the question of how the Universe was reionised.
Tololo 1247−232 is a small galaxy at a distance of 652 million light-years. It is situated in the southern equatorial constellation of Hydra. Visually, Tol 1247 appears to be an irregular or possibly
The Victor M. Blanco Telescope at CTIO