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
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
It would take more than 150 years to drive a car to the sun.
569
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
Only 55% of Americans know that the sun is a star.
986
Astronauts get taller when they are in space.
224
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127