Cosmic dawn: the search for the 21 cm signal

Physics World 2026

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Authors: Sarah Wild
DOI: 10.1088/2058-7058/39/01/24
Cited by: 0

Abstract

Astronomers around the world are on the hunt for an elusive 21 cm signal from the earliest hydrogen atoms, to better understand our cosmic history. Sarah Wild investigates.

Fields of Study & Subjects

Radio Astronomy Observations and Technology Galaxies: Formation Evolution Phenomena Astrophysics and Star Formation Studies

Publication details

Journal / source
Physics World
Volume
39
Issue
1
Pages
28–32
Publication date
1 January 2026
Language
EN