Astronauts get taller when they are in space.
224
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
Pluto is smaller than Russia.
9
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
A neutron star (what remains after a Super Nova) is so dense that a portion of it the size of a sugar cube would weigh as much as all of humanity, or more than all the cars in the United States.
5
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
More than 20 million meteoroids enter Earth's atmosphere every day.
139
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115