A comet's tail always points away from the sun.
2
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
The heart of an astronaut actually gets smaller when in outer space.
216
The earth is .02 degrees hotter during a full moon.
157
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