The Earth gets 100 tons heavier every day due to falling space dust.
673
The population of the Earth has more than doubled since 1950.
151
Earth is the only planet in our solar system that's not named after a god or goddess.
17
It would take more than 150 years to drive a car to the sun.
569
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
The earth rotates more slowly on its axis in March than in September.
145
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
Some asteroids have other asteroids orbiting them.
131