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
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
The heart of an astronaut actually gets smaller when in outer space.
216
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
The earth rotates more slowly on its axis in March than in September.
145