The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
Sound doesn't travel in space.
255
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
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 ashes of the man who discovered Pluto are currently en route to dwarf planet, scheduled to arrive on the 14th of July, 2015.
11