Astronauts get taller when they are in space.
224
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
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
It would take more than 150 years to drive a car to the sun.
569
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
