Mars had an oxygen-rich atmosphere around 4 billion years ago
13
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
Astronauts cannot burp in space.
232
The earth travels through space at 660,000 miles per hour.
189
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