Halloween is a time to be haunted by ghosts, goblins and ghouls, but nothing in the universe is scarier than a black hole.
The scariest things in the universe are black holes—and here are three reasons
- PhysOrg
- 30. 10 2020 (16:50)
Halloween is a time to be haunted by ghosts, goblins and ghouls, but nothing in the universe is scarier than a black hole.