Only 55% of Americans know that the sun is a star.
986
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
An international team of astronomers has spotted the farthest known gravitational lens and, as Albert Einstein predicted, it is a galaxy that deflects and intensifies the light of a much further object.
9
More than 20 million meteoroids enter Earth's atmosphere every day.
139
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
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
Astronomer Percival Lowell believed that he was the first person to observe canals on Venus, but because of a faulty adjustment of the eyepiece on his telescope, he was in fact looking at the blood vessels in his own eye.
4