Only 55% of Americans know that the sun is a star.
986
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20
Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
8
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
It would take more than 150 years to drive a car to the sun.
569
The heart of an astronaut actually gets smaller when in outer space.
216
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221