Only 55% of Americans know that the sun is a star.
986
More than 20 million meteoroids enter Earth's atmosphere every day.
139
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
The sun puts out more power in 1 second than mankind has ever used within human existence.
14
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
7
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
If you went out into space, you would explode before you suffocated because there's no air pressure.
149