There are more nerve cells in the human brain than there are stars in the Milky Way.
349
Jupiter is bigger than all the other planets combined.
254
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
Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
12
If two pieces of metal touch in space, they become permanently stuck together.
808
According to a study by the National Science Foundation, only half of Americans believe in evolution, and one in 4 don't know that the Earth orbits the Sun.
14
It would take more than 150 years to drive a car to the sun.
569