Only 55% of Americans know that the sun is a star.
986
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
It would take more than 150 years to drive a car to the sun.
569
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
The earth is .02 degrees hotter during a full moon.
157