In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Astronauts get taller when they are in space.
224
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
The Earth gets 100 tons heavier every day due to falling space dust.
673
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
The population of the Earth has more than doubled since 1950.
151
The sun puts out more power in 1 second than mankind has ever used within human existence.
14