All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
The sun is 330,330 times larger than the earth!
190
The Earth gets 100 tons heavier every day due to falling space dust.
673
The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
Jupiter is bigger than all the other planets combined.
254
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147