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
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
More than 20 million meteoroids enter Earth's atmosphere every day.
139
Earth is the only planet in our solar system that's not named after a god or goddess.
17
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121