41% of the moon is not visible from earth at any time.
103
Astronauts cannot burp in space.
232
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
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
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
There are two golf balls sitting on the moon.
721
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100