The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
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
Astronauts get taller when they are in space.
224
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
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
Buzz Aldrin’s mother’s maiden name was Moon.
9