Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
The heart of an astronaut actually gets smaller when in outer space.
216
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
A comet's tail always points away from the sun.
2
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
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
The Earth gets 100 tons heavier every day due to falling space dust.
673
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118