The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
The earth travels through space at 660,000 miles per hour.
189
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
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
Only 55% of Americans know that the sun is a star.
986
A comet's tail always points away from the sun.
2
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15