The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
The ashes of the man who discovered Pluto are currently en route to dwarf planet, scheduled to arrive on the 14th of July, 2015.
11
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
41% of the moon is not visible from earth at any time.
103
The Earth gets 100 tons heavier every day due to falling space dust.
673
Some asteroids have other asteroids orbiting them.
131