In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
Today's top fuel dragsters take off with more force than the space shuttle.
120
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
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20
Venus is the only planet that rotates clockwise.
310
41% of the moon is not visible from earth at any time.
103
There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88