Researchers have developed a new approach that could make it easier to watch the birth of the Universe's first stars.

In their exploratory study, Patrick Breysse (New York University), Simon Foreman (Perimeter Institute, Canada), and colleagues predict the brightness of the 112-µm emission line of hydrogen deuteride molecules during different periods of cosmic history.

Read the full Physics release.

Related publication: Mapping the Universe in hydrogen deuteride, Breysse, P.C., Foreman, S., Keating, L.C., Meyers, J. and Murray, N., 2022 [Physical Review D]