Astronauts cannot burp in space.
232
If two pieces of metal touch in space, they become permanently stuck together.
808
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20
Earth is the only planet in our solar system that's not named after a god or goddess.
17
The population of the Earth has more than doubled since 1950.
151
Lightning strikes about 6,000 times per minute on this planet!
158
It would take more than 150 years to drive a car to the sun.
569