Astronauts cannot burp in space.
232
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
Sound doesn't travel in space.
255
Jupiter is bigger than all the other planets combined.
254
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
Earth is the only planet in our solar system that's not named after a god or goddess.
17
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
It would take more than 150 years to drive a car to the sun.
569