The earth rotates more slowly on its axis in March than in September.
145
The Earth gets 100 tons heavier every day due to falling space dust.
673
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
Jupiter is bigger than all the other planets combined.
254
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
It 'snows' metal on Venus.
13
If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
10
A comet's tail always points away from the sun.
2