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
There's a mysterious dwarf planet between Mars and Jupiter called 'Ceres' which has never been visited by spacecraft or photographed in detail, however, Earth-bound telescopes reveal a large bright shining spot on the surface of this planet, the origin and nature of which are unknown.
5
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
The earth rotates more slowly on its axis in March than in September.
145
The earth travels through space at 660,000 miles per hour.
189
If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18
Jupiter's moon Ganymede, is larger than the planet Mercury!
149