The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
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
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
There are two golf balls sitting on the moon.
721
It takes eight and a half minutes for light to get from the sun to earth.
159
Summer on Uranus lasts for 21 years.
358
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82