An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
Venus is the only planet that rotates clockwise.
310
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4
It takes eight and a half minutes for light to get from the sun to earth.
159
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
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
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
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