The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
Lightning strikes about 6,000 times per minute on this planet!
158
There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11
The Earth gets 100 tons heavier every day due to falling space dust.
673
A comet's tail always points away from the sun.
2
It would take more than 150 years to drive a car to the sun.
569