An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
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
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
It would take more than 150 years to drive a car to the sun.
569
41% of the moon is not visible from earth at any time.
103
A comet's tail always points away from the sun.
2
The sun puts out more power in 1 second than mankind has ever used within human existence.
14