The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
The heart of an astronaut actually gets smaller when in outer space.
216
A comet's tail always points away from the sun.
2
Jupiter is bigger than all the other planets combined.
254
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
12
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
Lightning strikes about 6,000 times per minute on this planet!
158