There are more nerve cells in the human brain than there are stars in the Milky Way.
349
Earth is the only planet in our solar system that's not named after a god or goddess.
17
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
There's a mysterious dwarf planet between Mars and Jupiter called 'Ceres' which has never been visited by spacecraft or photographed in detail, however, Earth-bound telescopes reveal a large bright shining spot on the surface of this planet, the origin and nature of which are unknown.
5
If NASA sent birds into space they would soon die; they need gravity to swallow.
146
Sound doesn't travel in space.
255
When a massive power outage struck southern California in the 1990s, Los Angeles residents reportedly called 911 to express alarm about strange clouds hovering overhead; they were seeing the Milky Way for the first time.
31
Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
14