10 Quirky Things You Can Discover In Space
Galactic Cannibalism, much like human cannibalism, is when a galaxy will eat another entirely. For example, Andromeda once feasted upon its neighboring galaxy, which includes dozens of star clusters and exoplanets. But not any longer.
Neutrinos are neutral, in terms of electricity, and are capable of passing through many miles of solid lead without any problems. Some of these are passing throughout our bodies as this is being written and read. They are nothing more than phantom particles, but are still immensely interesting.