The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
It takes eight and a half minutes for light to get from the sun to earth.
159
The sun is 330,330 times larger than the earth!
190
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
More than 20 million meteoroids enter Earth's atmosphere every day.
139
Venus is the only planet that rotates clockwise.
310
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 heart of an astronaut actually gets smaller when in outer space.
216