It 'snows' metal on Venus.
13
The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
131
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
The population of the Earth has more than doubled since 1950.
151
Astronauts cannot burp in space.
232
If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100