The outermost reaches of our solar system are a strange place—filled with dark and icy bodies with nicknames like Sedna, Biden and The Goblin, each of which span several hundred miles across.
![](https://scx1.b-cdn.net/csz/news/tmb/2020/thecollectiv.jpg)
Source:
https://phys.org/news/2020-07-power-solar-dark-icy-bodies.html