NASA invented baby food as we know it today.
7
Sound doesn't travel in space.
255
It would take more than 150 years to drive a car to the sun.
569
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
From the nitrogen in our DNA, to the calcium in our teeth, the iron in our blood, to the carbon in our apple pies - all were made in the interiors of collapsing stars; we're all made of stardust.
22
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277