The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
It 'snows' metal on Venus.
13
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
8
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