Astronauts get taller when they are in space.
224
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
The earth rotates more slowly on its axis in March than in September.
145
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
The Earth gets 100 tons heavier every day due to falling space dust.
673