Webb — custom - built to study these murky epochs — could use gravitational lensing to unveil these and even older galaxies in sufficient detail and number to pin down exactly how these ancient objects arose and first brought light into the universe. (scientificamerican.com)
In 2015, it came to light that NGC 1512 has a history when it comes to galactic cannibalism, as it was revealed that the outer regions of its spiral arms are actually formed from a separate, even older galaxy. (newatlas.com)