If NASA sent birds into space they would soon die; they need gravity to swallow.
146
It would take more than 150 years to drive a car to the sun.
569
Earth is the only planet in our solar system that's not named after a god or goddess.
17
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
A comet's tail always points away from the sun.
2
There are more nerve cells in the human brain than there are stars in the Milky Way.
349