A comet's tail always points away from the sun.
2
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
The earth travels through space at 660,000 miles per hour.
189
The heart of an astronaut actually gets smaller when in outer space.
216
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
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 sun puts out more power in 1 second than mankind has ever used within human existence.
14