The heart of an astronaut actually gets smaller when in outer space.
216
The earth travels through space at 660,000 miles per hour.
189
It would take more than 150 years to drive a car to the sun.
569
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
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
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