The Universe is full of galaxies of various shapes; some galaxies have spiral arms and others don’t. Why do galaxies show such diversity? Galaxies are thought to grow by interacting and merging with other galaxies; and the galaxy mergers may be the key process creating the variety. Why don’t you explore the Universe as a citizen scientist to help unlock the secrets of galaxies?
Click here for original story, Galaxy Cruise—Your galactic journey as a citizen scientist
Source: Phys.org