DECam captures the stunning layers of shell galaxy NGC 3923 and nearby gravitational lensing - Phys.org
phys.orgSubmitted by physorg8953 in science
Much like humans, galaxies are shaped by the environment in which they form. While no two are exactly alike, they can be divided into three main types: spiral, elliptical and irregular. Of these types, elliptical galaxies are the largest and are thought to ev…