An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
A comet's tail always points away from the sun.
2
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
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 sun puts out more power in 1 second than mankind has ever used within human existence.
14
The earth travels through space at 660,000 miles per hour.
189