A 100-pound person on Earth would weigh 38 pounds on Mars.
102
It takes eight and a half minutes for light to get from the sun to earth.
159
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
Jupiter is bigger than all the other planets combined.
254
A comet's tail always points away from the sun.
2