Looking back toward cosmic dawn − astronomers confirm the faintest galaxy ever seen
A phenomenon called gravitational lensing can help astronomers observe faint, hard-to-see galaxies. NASA/STScI Guido Roberts-Borsani, University of California, Los Angeles The 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 […]