The earth rotates more slowly on its axis in March than in September.
145
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
Sound doesn't travel in space.
255
Jupiter's moon Ganymede, is larger than the planet Mercury!
149