A 100-pound person on Earth would weigh 38 pounds on Mars.
102
The Earth gets 100 tons heavier every day due to falling space dust.
673
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
In outer space there exists a gigantic cloud of alcohol which can be used to produce 400 trillion trillion pints of beer.
31
The heart of an astronaut actually gets smaller when in outer space.
216