Looking back toward cosmic dawn − astronomers confirm the faintest galaxy ever seen
- Written by Guido Roberts-Borsani, Postdoctoral Researcher in Astrophysics, University of California, Los Angeles
A phenomenon called gravitational lensing can help astronomers observe faint, hard-to-see galaxies. NASA/STScIThe universe we live in is a transparent one, where light from stars and galaxies shines bright against a clear, dark backdrop. But this wasn’t always the case – in its early years, the universe was filled with a fog of...





