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
It takes eight and a half minutes for light to get from the sun to earth.
159
It would take more than 150 years to drive a car to the sun.
569
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 Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
