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
The light hitting the earth right now is 30 thousand years old.
163
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
The heart of an astronaut actually gets smaller when in outer space.
216
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Jupiter is bigger than all the other planets combined.
254
