Our home galaxy, the Milky Way, is a galactic shepherd. It controls the movements of maybe 60 or more smaller galaxies. They’re satellites of the Milky Way, so they circle around it in the same way that Earth orbits the Sun.
More commonly known as the “beak-snouted pterosaur” or “devil-tailed pterosaur,” this Rhamphorhynchus muensteri with its 2-m-wide wingspan was one of more than 30 species of long-tailed pterosaurs aloft during the Jurassic Period. Credit: Mike Beauregard, Nunavut, Canada (devil-tailed pterosaur) (CC BY 2.0 [https://creativecommons.org/licenses/by/2.0]), via Wikimedia Commons
KNCT 