Astronauts get taller when they are in space.
224
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
It 'snows' metal on Venus.
13
41% of the moon is not visible from earth at any time.
103
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 travels through space at 660,000 miles per hour.
189
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16