Non-detection of key signal allows astronomers to determine what the first galaxies were — and weren't — like

Researchers have been able to make some key determinations about the first galaxies to exist, in one of the first astrophysical studies of the period in the early Universe when the first stars and galaxies formed, known as the cosmic dawn.


Click here for original story, Non-detection of key signal allows astronomers to determine what the first galaxies were — and weren’t — like


Source: ScienceDaily